InfinitivesPresent Active Infinitive = 2nd prin.

part amo, AMA/RE, amavi, amatus, -a, -um to love(The action of the present infinitive happens at the same time as the action

of the main verb)

Present Passive Infinitive – change final -e -iamare – to love amari – to be loved

docēre – to teach docēri – to be taught 3rd conj. changes the whole ending: ducere - to lead

duci - to be led

audire– to hear audiri – to be heard

amo, amare, amavi, amatus-a-um

(Perfect – before the main verb)Perfect Active Inf. = perf. stem (from 3rd prin. part) +

esse amavisse / to have loved

Perfect Passive Inf. = perf. pass. part. + esse amatus esse / to have been loved

(Future – after the main verb)(sum, esse, fui, futurus-a-um)

Future Active Inf. = participial stem + -urus + esse amaturus esse / to be about to love

Indirect StatementA verb of mental action leads to acc. + inf.

{the acc. + inf. is the Indirect Statement}

spero Iacobum Dianam amare. I hope [that] Jack loves Diane. acc. subj. of inf. acc. obj. of inf. same time as main verb

speravi Iacobum Dianam amare. I hoped [that] Jack loved Diane. acc. subj. of inf. acc. obj. of inf. same time as main verb

scio Iacobum a Diana amari. I know [that] Jack is loved by Diane.

puto Iacobum olim Annam amavisse. I think [that] Jack once loved Anna. acc. subj. of inf. acc. obj. of inf. before the main verb

putavi eum Poppaeam amavisse. I thought [that] he had loved Poppaea. subj. of inf. obj. of inf. before the main verb

scio eum ab Anna amatum esse. I know [that] he was loved by Anna.subj. of inf. abl. of agent before the main verb

putavi Dianam a Marco amatam esse. I thought [that] Diane had been loved by Mark. subj. of inf. abl. of agent before the main verb

spero eum me amaturum esse. I hope [that] he is going to love me/will love me.

acc. subj. of inf. after the main verb

scivi eam Iacobum amaturam esse. I knew [that] she was going to/would love Jack.

subj. of inf. after the main verb