When I was younger, I ________ swim for hours without getting tired.
can't
was able to
can
am able to
I think one day we’ll ________ live on Mars.
be able to
can
Were you ________ open the file?
able to
could
I’m sorry, I ________ go to the party. I have to study.
can
can't
'm able to
You’re coming to the party, ________?
aren't you
He doesn’t like sushi, ________?
does he
They’ve finished the report, ________?
haven't they
It was a great movie, ________?
wasn't it
We should call her, ________?
shouldn't we
Fernanda Montenegro won the Oscar, _________?
didn't she
You ________ smoke in here. It’s forbidden.
can't / mustn't
You ________ talk to your boss about the problem. It’s important.
have to / must
He ________ eat so much sugar. It’s bad for his health.
shouldn't
You ________ study hard if you want to pass the exam.
have to / must
You ________ bring your own food – there will be plenty at the picnic.
doesn't have to
don't have to
don't has to
I enjoy _________ (read) before bed.
reading
