Grammar 3 Flashcards
Some modal verbs
Can, could, may, might, must, should, ought to, have to, be able to…
ability, request and in negative prohibition
can
Past ability, polite request, possibility
could
advise, expectation.( o consejo)
should
Similar to should: advise
ought to
Necessity, obligation
have to
Ability, possibility
be able to
Permission, posibility. Polite question
may
Possibility, suggestions
might
obligation or logical deduction
must
formal request or offer
would
Lack of obligation, necessity
needn’t , don’t have to
necessity and obligation
need to, have to
Ability to do something in the past, that wasn’t done
Could have
Certainly that something didn’t happen
can’t/couldn’t have
A guess about a past action
may/might have
certainly or logical conclusion about something in the past
must have
criticism or regret conclusion after an event
should/shouldn’t/ought to have
Willingnes or disire to do something, which wasn’t actually done.
Would have
