A
I'm afraid you can't smoke in here.
ALLOWED
You ..... in here.
are not allowed to smoke
're not allowed to smoke
aren't allowed to smoke
You ..... in here.
I'd see a doctor if I were you.
OUGHT
You ..... a doctor.
ought to see
You ..... a doctor.
I think Sarah isn’t very ill, because I saw her shopping this morning.
BE
Sarah ................ because I saw her shopping this morning.
can’t be very ill
Sarah ................ because I saw her shopping this morning.
I think Will’s tired because he didn’t sleep much yesterday.
COULD
Will ................ because he didn’t sleep much yesterday.
could be tired
Will ................ because he didn’t sleep much yesterday.
Perhaps we missed the correct turning.
MIGHT
We ..... the correct turning.
might have missed
might've missed
We ..... the correct turning.
They will expect you to wear a suit for the interview.
HAVE
You ..... a suit for the interview.
'll have to wear
will have to wear
You ..... a suit for the interview.
He couldn't swim until he was in his twenties.
ABLE
He ..... until he was in his twenties.
wasn't able to swim
was not able to swim
He ..... until he was in his twenties.
It’s possible that in the sales cameras will be cheap enough for me to afford one.
ABLE
I ................... a camera in the sales if they are cheap enough.
might be able to buy
may be able to buy
I ................... a camera in the sales if they are cheap enough.
I went to the office then remembered it was my day off.
HAVE
I ..... to the office as it was my day off.
I ..... to the office as it was my day off.
need not have gone
needn't have gone
We got a table at the restaurant without a reservation.
NEED
We ..... book a table at the restaurant.
did not need to
didn't need to
We ..... book a table at the restaurant.
You were expected to answer all the questions on the exam paper.
ANSWERED
You ..... all the questions on the examination paper.
should have answered
You ..... all the questions on the examination paper.
It was careless of him to go without checking the times.
OUGHT
He ............ the times before going.
ought to have checked
He ............ the times before going.