A
Sally couldn't sing or dance.
UNABLE
Besides .................., Sally couldn't dance either.
being unable to sing
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
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
It says here that we should reply to this invitation.
SUPPOSED
It says here that ............... to this invitation.
we are supposed to reply
"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
I haven't got my wallet. It must be at home.
LEFT
I ............... wallet at home.
must have left my
We knew we had to arrive by nine.
NECESSARY
We knew that ................... by nine.
it was necessary to arrive
Perhaps we missed the correct turning.
MIGHT
We .............................. the correct turning
might have missed
might've missed
It was careless of you to leave without locking the door.
OUGHT
You ................. the door before you left.
ought to have locked
Maybe Paul forgot that we changed the time of the meeting.
MIGHT
Paul ............... that we changed the time of the meeting.
might have forgotten
might've forgotten
Why aren't you at home revising for your exam?
BE
You ..................... your exam at home now.
should be revising for
I'm sure he didn't understand what I was saying to him.
MISUNDERSTOOD
He ................. what I was saying to him.
must have misunderstood