We use can to talk about possibilities in the present but not the future
False
True
Sally....
couldn't drive a car until she was 30.
can't drive a car until she was 30.
could drive a car until she was 30.
may drive a car until she was 30.
to talk about negative possibilities we can use
may not / might not
can not / could not
I'm not sure what to do tomorrow...
I can go to May's party.
I might go to May's party.
I couldn't go to May's party.
to ask for permission we can use May I...? or Could I.....?
True
False
which is correct?
we may to go swimming later
we may can go swimming later
we may go swimming later
Laura is not feeling well, so she
may not to go to work today
might go to work today
may not go to work today
Modal verbs can, could, might and may to talk about
ability or inability, possibility
obligation and prohibition
We need to tidy up, our friends...
can arrive at any minute.
could arrive at any minute.
There's someone at the door - it
may be one of my friends.
can be one of my friends.