Download - TOEFL Prep 1 Structure
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TOEFL TOEFL PREPARATION 1PREPARATION 1
STRUCTURESTRUCTURE
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STRUCTURE & WRITTEN STRUCTURE & WRITTEN EXPRESSIONEXPRESSION
GENERAL STRATEGIESGENERAL STRATEGIES Be familiar with the Be familiar with the
directionsdirections. . Begin with questions 1 Begin with questions 1
through 15through 15.. Continue with questions 16 Continue with questions 16
through 40through 40.. If you have time, return the If you have time, return the
questions 11 through 15questions 11 through 15. . Guess to complete the section Guess to complete the section
before time is upbefore time is up. .
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THE STRUCTURE THE STRUCTURE QUESTIONSQUESTIONS
ExampleExample:: Pepsin ______ an enzyme Pepsin ______ an enzyme
that is used in digestion.that is used in digestion. (A) that(A) that (B) is(B) is (C) of(C) of (D) being (D) being
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STRATEGIES FOR THE STRUCTURE QUESTIONS
• First study the sentence. • Then study each answer based on
how well it completes the sentence. • Do not try to eliminate incorrect
answers by looking only at the answers.
• Never leave any answers blank. • Do not spend too much time on the
Structure questions.
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SKILL 1: SUBJECTS AND VERBS
Example _________ was ringing continuouslyfor hours.(A) Loudly(B) In the morning(C) The phone(D) The bells
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• During the Precambrian period, the Earth’s crust formed, and life ________ in the seas.
(A) First appeared(B) First to appear(C) Is first appearing(D) Appearing
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• Diane Feinstien of California ____ to the House or Representatives in l986 and to the Senate in 1996.
(A) when elected(B) Elected(C) who was elected(D) was elected
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SUBJECTS AND VERBS
A sentence in English must have at least one subject and one verb. The first thing you should do as you read a sentence in the structure section of the TOEFL test is to find the subject and the verb.
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SKILL 2 : OBJECTS OF PREPOSITION
ExampleTo Mike _____ was a big surprise.
(A) really(B) the party(C) funny(D) when
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OBJECTS OF PREPOSITIONS
A preposition is followed by a noun or pronoun that is called an object of the preposition. If a word is an object of a preposition, it is not the subject.
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SKILL 3 : PRESENT PARTICIPLES
Example:The film ____ appearing at the local theater is my favorite.
(A) now(B) is(C) it(D) was
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Humans living at high elevations __ to the lower level of oxygen in the air by producing more red blood corpuscles.
(A) adjust(B) to adjust(C) the adjustment(D) adjusting
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The radiation piercing the atmosphere __ of tanning or burning in humans
(A)it is the cause(B)causing it(C)is the cause(D)the cause
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On November 19, 1863, Abraham Lincoln, speaking from notes on an
old __ the famous Gettysburg Address in only two minutes time.
(A) gave the envelope(B) envelope giving(C) envelope, gave(D) gift of an envelope
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Thomas Jefferson, __ a personally designed and constructed lap-top desk, wrote the Declaration of Independence in the summer of 1776.
(A) he used(B) had used(C) the use of(D) using
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PRESENT PARTICIPLES
A present participle is the –ing form of the verb. The present participle can be (1) part of the verb or (2) an adjective. It is part of the verb when it is accompanied by some form of the verb be. It is an adjective when it is not accompanied by some form of the verb be.
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SKILL 4: PAST PARTICIPLES
Example:The reactor core of a nuclear reactor is housed in a steel vessel ___ by a thick layer of concrete.(A) is surrounded(B) it surrounds(C) surrounds(D) surrounded
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The reactor core of a nuclear reactor is housed in a steel vessel ___ by a thick layer of concrete.(A)is surrounded(B)it surrounds(C)surrounds(D)surrounded
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The tea plant, an evergreen shrub pruned to three to five feet high, __ mild, semitropical climate in which to grow.
(A) the need for(B) it needs(C) to need(D) needs a
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The tea plant, an evergreen shrub
pruned to three to five feet high, __
mild, semitropical climate in which to
grow.
(A) the need for
(B) it needs
(C) to need
(D) needs a
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The Statue of Liberty, completed in Paris in 1884, ___ in New York
Harbor in 1886.
(A) the unveiling(B) to unveil(C) it unveiled(D) was unveiled
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The Statue of Liberty, completed in
Paris in 1884, ___ in New York Harbor
in 1886.
(A) the unveiling(B) to unveil(C) it unveiled(D) was unveiled
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The Mayflower Compact, signed by the
Pilgrims upon their arrival in Massachusetts in 1620, __ their political and religious beliefs.
(A) the statement of(B) stating(C) with a statement of(D) stated
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The Mayflower Compact, signed by
the Pilgrims upon their arrival in Massachusetts in 1620, __ their political and religious beliefs.
(A) the statement of(B) stating(C) with a statement of(D) stated
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PAST PARTICIPLES A past participle often ends in –ed, but
there are also many irregular past participles. For many verbs, including –ed verbs, the simple past and the past participle are the same and can be easily confused. The –ed form of the verb can be (1) the simple past, (2) the past participle of a verb, or (3) an adjective.
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SKILL 5: COORDINATE CONNECTORS
Example:The ear is a flexible organ, __ simply was not designed to withstand the noise of modern living.
(A) but it.(B) it(C) but(D) its
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Like a mountain, the Empire State Building creates its own updrafts, ___ have been observed to fall up.
(A) and snow and rain(B) snow and rain(C) of snow(D) but snow
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Like a mountain, the Empire State Building creates its own updrafts, ___ have been observed to fall up.
(A) and snow and rain(B) snow and rain(C) of snow(D) but snow
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Using robot Super Achilles, a driverless' submersible, __ can photograph
shipwreck up to 2,000 feet deep, and they can also deploy parachutes to bring artifacts up to the surface.
(A) for archeologists to be underwater(B) underwater archeologists(C) archeologists are underwater(D) with archeologists underwater
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Using robot Super Achilles, a driverless' submersible, ___ can photograph
shipwreck up to 2,000 feet deep, and they can also deploy parachutes to bring artifacts up to the surface.
(A) for archeologists to be underwater(B) underwater archeologists(C) archeologists are underwater(D) with archeologists underwater
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Caffeine is primarily consumed in coffee and tea, __ also found in
cocoa, cola, and other soft drinks.
(A) but(B) but it(C) but it is(D) it is
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Caffeine is primarily consumed in coffee and tea, __ also found in cocoa, cola, and other soft drinks.
(A) but(B) but it(C) but it is(D) it is
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Gustave Eiffel is famous for building the Eiffel Tower, ____ for designing the framework of the Statue of Liberty.
(A) he is remembered (B) is remembered(C) yet he is seldom remembered(D) yet remembered
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Gustave Eiffel is famous for building the Eiffel Tower, ____ for designing the framework of the Statue of Liberty.
(A) he is remembered (B) is remembered(C) yet he is seldom remembered(D) yet remembered
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COORDINATE CONNECTORS
and but or so
S V coordinate connector S V
It was raining , but Bill went out to play.
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SKILL 6: ADVERB CLAUSE
CONNECTORSExample:Prior to the discovery of anesthetics in 1846, surgery was done __ was still conscious.
(A) while the patient(B) the patient felt(C) during the patient’s(D) while patiently
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Parent flamingos lose their intense pink coloring until __
(A) weaning young(B) their youths(C) they wean their young(D) young
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Parent flamingos lose their intense pink coloring until __
(A) weaning young(B) their youths(C) they wean their young(D) young
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A little fat is essential for humans___ retain body heat, gives muscles
energy, and keeps skin soft.
(A) as it helps(B) although it(C) it helps(D) in helping
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A little fat is essential for humans___ retain body heat, gives muscles
energy, and keeps skin soft.
(A) as it helps(B) although it(C) it helps(D) in helping
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ADVERB CLAUSE CONNECTORS
TIME CAUSE CONDITION CONTRAST
afterasbeforesince
untilwhenwhile
becausesince
ifwhether
althougheven thoughthoughwhile
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SKILL 7: NOUN CLAUSE
CONNECTORS
I don’t know why he said such things.
NOUN CLAUSE AS OBJECT OF VERB
I am thinking about why he said such things.
NOUN CLAUSE AS OBJECT OF PREPOSITION
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NOUN CLAUSE CONNECTORS
Example:The properties of every protein depend on how __ are arranged in the molecular chain.
(A) all the amino acids(B) all of the amino acid(C) all of the aminos acidify(D) of all the amino acids
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Historical records __ were used in China for centuries before spreading to Europe.
(A) suggesting that fireworks(B) fireworks(C) that fireworks(D) suggest that fireworks
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Historical records __ were used in China for centuries before spreading to Europe.
(A) suggesting that fireworks(B) fireworks(C) that fireworks(D) suggest that fireworks
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__ global climate is warming has been
well documented.
(A)There is the(B)It is the(C)The(D)That the
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__ global climate is warming has been
well documented.
(A)There is the(B)It is the(C)The(D)That the
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__ floats or sinks is determined by its density rather than its weight.
(A) Whether an object(B) An object if it(C) Because an object(D) An object
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__ floats or sinks is determined
by its density rather than its weight.
(A) Whether an object(B) An object if it(C) Because an object(D) An object
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__ in so perfectly with their environment is what makes Frank Lloyd Wright’s architecture so distinctive.
(A)That the buildings blend(B)The buildings blend(C)Since the buildings blend(D)Build and blend
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__ in so perfectly with their environment is what makes Frank Lloyd Wright’s architecture so distinctive.
(A)That the buildings blend(B)The buildings blend(C)Since the buildings blend(D)Build and blend
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NOUN CLAUSE CONNECTORS
•what, when, where, why, how
•whether, if•that
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SKILL 8: NOUN CLAUSE CONNECTOR/SUBJECTS
I know what happened yesterday
NOUN CLAUSE AS OBJECT OF VERB
We are thinking about what happened yesterday.
NOUN CLAUSE AS OBJECT OF
PREPOSITION
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NOUN CLAUSE CONNECTOR/SUBJECTSExample:The drastic decline of the beaver helps to illustrate what __ to the ecosystems of the North American continent.
(A) happening(B) the happening(C) has happened(D) about happening
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Environmentalists are earnestly trying to determine __ of the ozone layer over the poles.
(A) is causing the deterioration(B) what the cause of the
deterioration(C) what is causing the
deterioration(D) the deterioration is causing
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Environmentalists are earnestly trying to determine __ of the ozone layer over the poles.
(A) is causing the deterioration(B) what the cause of the
deterioration(C) what is causing the deterioration(D) the deterioration is causing
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__ such a challenging science is that
all theory is based on observations that cannot be replicated in a controlled environment.
(A)It is astronomy(B)Astronomy is(C)What makes astronomy(D)Why is astronomy
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__ such a challenging science is that all theory is based on observations that cannot be replicated in a controlled environment.
(A)It is astronomy(B)Astronomy is(C)What makes astronomy(D)Why is astronomy
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Although seismologists know __, they are unable to predict with accuracy when or where a tremor might occur.
(A)what causes earthquakes(B)What earthquakes(C)causes earthquakes(D)That the quaking of the Earth
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Although seismologists know __, they are unable to predict with accuracy when or where a tremor might occur.
(A) what causes earthquakes(B)what earthquakes(C) causes earthquakes(D)that the quaking of the Earth
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__ in the atmosphere is the temperature falling below
freezing.
(A)Frost is produced(B)Frost produces(C)What produces frost(D)What is frost
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__ in the atmosphere is the temperature falling below freezing.
(A)Frost is produced(B)Frost produces(C)What produces frost(D)What is frost
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NOUN CLAUSE CONNECTOR/ SUBJECTS
who what which
S V noun clause connector/subject V
Al told me what happened
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SKILL 9: ADJECTIVE CLAUSE
CONNECTORSExample:Genes control all of the physical __ we inherit.
(A) that traits(B) that are traits(C) traits that.(D) traits are that
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Skin color is determined by a chemical
called melanin, __ in greater or lesser amounts.
(A) which human skin contains (B) human skin contains(C) in human skin contains(D) there is in human skin
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Skin color is determined by a chemical
called melanin, __ in greater or lesser amounts.
(A) which human skin contains (B) human skin contains(C) in human skin contains(D) there is in human skin
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Some radioisotopes which __ as radioactive waste are now being
used in experimental cancer therapies.
(A)Once discarded by scientists(B)Scientists discarded(C)To discard by scientists(D)Were discarded scientists
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Some radioisotopes which __ as radioactive waste are now being
used in experimental cancer therapies.
(A)Once discarded by scientists(B)Scientists discarded(C)To discard by scientists(D)Were discarded scientists
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Subduction is the process __ the
ocean floor recycles itself.
(A) that(B) which is(C) by which(D) how
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Subduction is the process __ the ocean floor recycles itself.
(A) that(B) which is(C) by which(D) how
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ADJECTIVE CLAUSE CONNECTORS
Whom Which That (for people) (for things) (for people or things)
S V adjective clause S V connector
I like the dress that you are wearing.
S adjective clause S V V connector
The dress that you are wearing is beautiful.
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SKILL 10: ADJECTIVE CLAUSE CONNECTOR/
SUBJECTS Example:Yeast is an organic catalyst __ known to prehistoric humanity.
(A) was(B) which was.(C) which it(D) which
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The first mention of the cultivation of tea __ in a Chinese dictionary which dates about the year 350.
(A) finding(B) to be found(C) it is found(D) can be found
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The first mention of the cultivation of tea __ in a Chinese dictionary which dates about the year 350.
(A) finding(B) to be found(C) it is found(D) can be found
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Bank employees collect worn-out
dollar bills, __ to a central office to be destroyed in a furnace.
(A) who send them(B) which are sent(C) who are sent(D) are sent
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Bank employees collect worn-out
dollar bills, __ to a central office to be destroyed in a furnace.
(A) who send them(B) which are sent(C) who are sent(D) are sent
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Bees perform a complex dance __ other bees about the location of a good source of nectar.
(A) tells(B) tell(C) it tells(D) that tells
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Bees perform a complex dance __ other bees about the location of a good source of nectar.
(A) tells(B) tell(C) it tells(D) that tells
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Seabirds lay elongated eggs,
____ less likely to be blown out of rocky nests.
(A) are(B) which are(C) they are(D) therefore, they are
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Seabirds lay elongated eggs, ____ less likely to be blown out of rocky nests.
(A) are(B) which are(C) they are(D) therefore, they are
This sentence has a main clause Seabird lay… and an incomplete adjective clause … less likely… The
adjective clause needs a connector, a subject, and a verb to be complete. The second answer is the best answer because
it contains the connector/subject which and the verb are. The first answer is missing a connector and a subject, the third answer is missing a connector, and the last answer
has an adverb transition with incorrect punctuation.
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SKILL 10: ADJECTIVE CLAUSE CONNECTOR/ SUBJECTS
Who(for people)
Which(for things)
That(for people or things)
S Adjective clause connector/Subject VI bought the dress that was on sale.
S Adjective clause connector/Subject V VThe dress that was on sale was beautiful.
NOTE: Although adjective clause connectors (skill 9) can be omitted in informal English, adjective clause connector/ subjects (skill 10) can never be omitted.
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THE WRITTEN EXPRESSION QUESTIONS
STRATEGIES FOR THE WRITTEN EXPRESSION QUESTIONS
• First look at the underlined word or groups of words.
• If you have been unable to find the error by looking only at the four underlined expressions, then read the complete sentence.
• Never leave any answers blank.
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SKILL 11: AGREEMENT AFTER PREPOSITIONAL
PHRASES Example:
The largest of all the herd animals are the musk ox. A B C D
Nothing living on the earth are capable of outrunning a cheetah.
A B C D
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The leaflike sepals of a flower
protects the tender petals before A B C
the bud opens. D
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The leaflike sepals of a flower
protects the tender petals before A B C
the bud opens. D
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The age of aquatic fossils are A
determined by the Varvae method,
which is based on counting annual B
layers of sand and clay deposited in C
a body of water. D
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The age of aquatic fossils are A
determined by the Varvae method,
which is based on counting annual B
layers of sand and clay deposited in C
a body of water. D
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A factor in the formation of deserts
are high mountains, which shield the
A B
desert region from rainfall. C D
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A factor in the formation of deserts
are high mountains, which shield the
A B
desert region from rainfall. C D
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SUBJECT/ VERB AGREEMENT WITH PREPOSITIONAL PHRASES
S (prepositional phrase) V
When a prepositional phrase comes between the subject and the verb, be sure that the verb agrees with the subject.
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SKILL 12: AGREEMENT AFTER EXPRESSIONS OF
QUANTITY Example:All of the hoofed mammals walks on the tips of their toes. A B C D
Most of the world’s great mountain ranges has been A B C created by the folding of the earth’s crust. D
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SKILL 12: AGREEMENT AFTER EXPRESSIONS OF
QUANTITYExample:All of the hoofed mammals walks on the tips of their
toes. A B C D
Most of the world’s great mountain ranges has been A B C created by the folding of the earth’s crust.
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Not very much of the earth’s land A B
surface are covered by glaciers. C D
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Not very much of the earth’s land A B
surface are covered by glaciers. C D
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Most of the bones of a bird is hollow, A B Cwith the interior honeycombed to
give Dadded strength.
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Most of the bones of a bird is hollow, A B Cwith the interior honeycombed to give Dadded strength. change is to are
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SUBJECT/ VERB AGREEMENT AFTER EXPRESSIONS OF
QUANTITY allmostsome of the (object) Vhalfpart
When an expression of quantity using of is the subject, the verb agrees with the object.
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SKILL 13: AGREEMENT AFTER CERTAIN
WORDS Example:No one are quite sure how the electricity that causes A B C lightning builds up. D
Most pulsars are so faint that nobody are able to see A B C them without a very powerful telescope. D
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SKILL 13: AGREEMENT AFTER CERTAIN
WORDSExample:No one are quite sure how the electricity that causes A B C lightning builds up. D
Most pulsars are so faint that nobody are able to see A B C them without a very powerful telescope. D
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SKILL 13: AGREEMENT AFTER CERTAIN
WORDSIn spite of the abundance of less
expensive fabrics, nothing have Areplaced silk as the first choice for B Celegant clothing. D
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SKILL 13: AGREEMENT AFTER CERTAIN
WORDSIn spite of the abundance of less
expensive fabrics, nothing have Areplaced silk as the first choice for B Celegant clothing. D
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SKILL 13: AGREEMENT AFTER CERTAIN
WORDS
Every period of growth in trees are A B Cmarked by an annual growth ring. D
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SKILL 13: AGREEMENT AFTER CERTAIN
WORDS
Every period of growth in trees are A B Cmarked by an annual growth ring. D
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SKILL 13: AGREEMENT AFTER CERTAIN
WORDS
Nothing from any of the space probes A Bhave indicated that intelligent life Cexists elsewhere in the universe. D
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SKILL 13: AGREEMENT AFTER CERTAIN
WORDS
Nothing from any of the space probes A Bhave indicated that intelligent life Cexists elsewhere in the universe. D
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SUBJECT/ VERB AGREEMENT AFTER CERTAIN WORDS
These words or expressions are grammatically singular, so they
take singular verbs:
anybody everybody nobody somebody each (+ noun)
anyone everyone no one someone every (+ noun)
anything everything nothing something
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SKILL 14: PARALLEL STRUCTURE WITH
COORDINATE CONJUNCTIONS
The job of the coordinate conjunctions (and, but, or) is to join together equal expressions. These conjunctions can join nouns, or verbs, or adjectives, or phrases, or clauses; they just must join together the same structures.
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SKILL 14: PARALLEL STRUCTURE WITH
COORDINATE CONJUNCTIONS
Example:The skin protects the human body A from infectious, injury, and harmful B C sunlight. D
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SKILL 14: PARALLEL STRUCTURE WITH
COORDINATE CONJUNCTIONS
Example:The skin protects the human body A from infectious, injury, and harmful B C sunlight. D
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SKILL 15: PARALLEL STRUCTURE WITH PAIRED
CONJUNCTIONSThe paired conjunctions both… and, either….or, neither….nor, and not only….but also require parallel structures.
• The lecture was both informative and enjoyable.
• Either the history exam or the physics exam is on Tuesday.
• The missing papers are neither on his desk nor in the file.
• He visited not only his cousin but also his grandmother.
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SKILL 15: PARALLEL STRUCTURE WITH PAIRED
CONJUNCTIONS Example:
Many of the great mountain ranges of A B C the world are neither dead nor die. D
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Many of the great mountain ranges of
A B C the world are neither dead nor die. DThe verb die is not parallel to the adjective dead. The correct answer is dying
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SKILL 16: PAST PARTICIPLES AFTER HAVEExample:The popular board games chess, A
checkers, and backgammon have all B C
exist for many centuries. D
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SKILL 17: PRESENT PARTICIPLES OR PAST PARTICIPLES AFTER BE
Example:In Texas in the 1830s, thousands of A Longhorn cattle were ran wild on the B C D plains.
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SKILL 18: BASE FORM VERBS AFTER MODALS Example:A wave may struck the shore with a A force equal to the pressure of 6,000 B
pounds per square foot. C D
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SKILL 19: SINGULAR & PLURAL NOUNS
Example:
In the fifteenth century, Leonardo da Vinci drew several rough sketch of a A B contraption that looked like a bicycle. C D
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SKILL 20: COUNTABLE AND UNCOUNTABLE
NOUNS Example:Great amounts of cells of many kinds A B C form the bodies of such creatures as D
insects and mammals.
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SKILL 21: SUBJECT AND OBJECT PRONOUNS
Example:When a bighorn sheep ewe is about to A give birth, her leaves the band for a B Csecluded ledge. D
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SKILL 22: POSSESSIVES
Example:Carpenter bees tunnel into wood A B
in order to build theirs nests. C D
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SKILL 23: PRONOUN REFERENCE
Example:When you look into a mirror, it seems A B as if one is standing behind the glass C D
looking out.
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SKILL 24: ADJECTIVES AND ADVERBS
Example:Unlike soaps, detergents are Asynthetics that do not form easy B C Dbiodegradable waste products.
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SKILL 24: ADJECTIVES AND ADVERBS
Folding fans arrived in Europe in the Asixteenth century from China, where they had been common used for more B C D than 500 years.
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SKILL 24: ADJECTIVES AND ADVERBS
Folding fans arrived in Europe in the Asixteenth century from China, where they had been common used for more B C D than 500 years.
An adverb should be used to describe a verb.
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SKILL 24: ADJECTIVES AND ADVERBS
Carlsbad Caverns, a national park in ACarlsbad, New Mexico, has extreme Blarge underground caverns with Cmagnificent limestone formations. D
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SKILL 24: ADJECTIVES AND ADVERBS
Carlsbad Caverns, a national park in ACarlsbad, New Mexico, has extreme Blarge underground caverns with Cmagnificent limestone formations. DAn adverb should be used to describe an adjective
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SKILL 25: ADJECTIVES AFTER LINKING VERBS Example:Perfumes are generally alcoholic A B solutions of substances that smell C pleasantly when combined. D
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ADJECTIVES AFTER LINKING VERBS
Example:If a virus enters the throat and A infects it, the throat will feel inflamed B C
and uncomfortably. D
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ADJECTIVES AFTER LINKING VERBS
Antarctica seems coldly and Aforeboding to first-time visitors Bwhen they see the wind-blown ice and C Dsnow.
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ADJECTIVES AFTER LINKING VERBS
Antarctica seems coldly and Aforeboding to first-time visitors Bwhen they see the wind-blown ice and C Dsnow.
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ADJECTIVES AFTER LINKING VERBS
Although the earth appears Aspherically, it is actually pear-
shaped. B C D
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ADJECTIVES AFTER LINKING VERBS
Although the earth appears Aspherically, it is actually pear-
shaped. B C D
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ADJECTIVES AFTER LINKING VERBS
The pantelgraph, which was invented in
A1856 in France, proved quite Bsuccessfully as the forerunner of the C modern-day fax machine. D
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ADJECTIVES AFTER LINKING VERBS
The pantelgraph, which was invented in A1856 in France, proved quite Bsuccessfully as the forerunner of the C modern-day fax machine. D