ANSWERS ACTIVITY 263
Answers with more than one modal alternative are also included

1.

Criticise a friend for losing a CD of yours.
be more careful

Wow Mike!! You ...

should have been more careful.

2.

Comfort a friend whose boyfriend has missed a date.
forget

Oh, Jane, don't worry!! He ...

may have forgotten. (POSSIBILITY) might have forgotten. (POSSIBILITY) could have forgotten. (POSSIBILITY) must have forgotten. (CERTAINTY)

3.

Explain to your mother why you didn't bring your new
friend Elizabeth to meet her.
not approve of

Mom, you ...

may not have approved of her. (POSSIBILITY) might not have approved of her. (POSSIBILITY) would not have approved of her. (PROBABILITY)

4.

Explain why you didn't spend any money at the disco.
not spend anything

My friend paid, so I ...

didn't need to spend anything. didn't have to spend anything.

5.

Contradict one friend's explanation of why another friend
didn't turn up for an appointment.
not forget

But she ...

can't have forgotten. couldn't have forgotten.

I reminded her about it yesterday.

6.

Complain about having worked unnecessarily all weekend
on a composition.
miss the football match

I ...

needn't have missed the footbal match.

The teacher has just given us another week to finish it !!

7.

Criticise a friend who drove after drinking several beers.
not drive / have an accident

I'm sorry, Paul, but you ...

shouldn't have driven. ought not to have driven.

Just think a bit: You ...

might have had an accident. could have had an accident.