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Modal Verbs :fire: (Possibility and Deduction (may (I may go to the party…
Modal Verbs :fire:
Possibility and Deduction
may
I may go to the party next weekend.
might
She might study fashion.
could
That film could be interesting.
must. We are certain
She must be angry because we have broken her e-book.
can't. we are certain sth is impossible
He can't be her father, he's too young.
Ability
be able to /not be able to
He's able to go to the party. He isn't able to help you.
They were able to get a taxi after the concert.
could / couldn't
I could swim when I was 4 but I couldn't ride a bike.
can/can't
I can speak French but I can't speak Chinese.
managed to /didn't manage to
I managed to get tickets for the concert. I didn't manage to get tickets for the concert.
Obligation and no obligation
have to / need to
I have /need to take my passport to travel to the US.
don't have to
We don't have to wear a uniform.
needn't
We needn't wear a uniform.
must
We must study harder.
Advice
ought to / ought not to (more formal)
The doctor told me I ought to do more exercise and I ought not to spend long hours in front of TV.
had better implies negative consequences
You'd better go to sleep or you won't be able to get up early tomorrow.
should / shouldn't
You should study harder. You shouldn't drink so much coffee.
Requests
could
Can / Could / May you take me to the train station, please?
may
can
Permission
can
We can drink water while we are doing the exam.
can't
You can't use a dictionary in the exam.
be allowed to
The students are allowed to listen to music while they are at the computer room.
Prohibition
mustn't
You mustn't smoke in hospitals.