can – могу, умею can, could – вежливая просьба may –разрешите...
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Can – могу, умеюCan, could – вежливая просьбаMay –разрешите (вежливая просьба)May, might – возможно, вероятноMust – должен (моральный долг)Have to – вынужден в силу обстоятельствShould, ought – следует (совет)
Сan, could, will be able toAbility (возможность, способность)I can read Italian but I can’t speak it.
can/ couldPossibility, probability
(возможность, вероятность)Scotland can be very warm in September.
Can/couldAsking for and giving the permission(просьба о разрешении)Can you come and see me tomorrow.
Can/ couldMaking orders, requests, and offers(распоряжения, просьбы, предложения)Can I carry your bag?
May/mightPossibility, probability.
(возможность, вероятность)
May/ might/ be allowed toAsking for, giving or refusing the permission.(просьба о разрешении, разрешение или отказ)
She might be there tomorrow. -may I turn on the TV?-Yes you may.
Present Past Future
Can
may
must
Have/ has to
could Will be able to
might Will be allowed toHad to Will have to
Had to Will have to