Hurry up! We _____ be late.
don’t have to
mustn’t
should
We _____ answer your call right now. Please try again later.
don’t
couldn’t
’re not able to
She couldn’t find a taxi so he _____ walk.
had to
should
must
Will you _____ pick me up at the airport tonight?
be able
be able to
can
My sister _____ play the violin very well when she was young.
could
can
is able to
You _____ use your mobile phone when you’re in a ‘quiet zone’.
mustn’t
haven’t to
don’t have to
Why _____ work last weekend?
did they have to
must they
had they to
You _____ pay to go in museums in Britain. They’re usually free.
shouldn’t
don’t have to
mustn’t
You _____ have to eat it if you don’t like it.
mustn’t
don’t
can’t
I’ve never _____ to dance salsa very well.
be able
could
been able
You _____ start eating before everyone else – it’s bad manners.
are able
don’t have to
shouldn’t
I have a problem with my mobile phone. What _____ do?
I should
should I
should I to
You _____ touch that! It’s dangerous.
mustn’t
don’t have to
have to
I _____ able to read when I was four.
was
am
could be
If you really _____ smoke, do it outside.
don’t have to
should
must
I’ve never _____ able to ice-skate well, but I keep practising.
be
been
to be
I’d love to _____ ride a horse.
be able to
be possible to
can
We’re not allowed _____ in the office.
eat
to eat
eating
What time _____ we have to leave?
are
do
shall
I hate not _____ able to say what I want in English.
to be
being
be