Modals in past

That ______________ Nick that you saw.

• can't have been

• shouldn't have been

You __________ me a hand!

• must have given

• might have given

I caught a later train because I ______ a client.

• had to see

• must have seen

• should have seen

I suppose Bill _________ his way.

• should have lost

• might have lost

• could have lost

I didn't refuse the cake, as it __________ rude.

• should have been

• would have been

• could have been

• could be

I don't know who rang, but it ________ Jim.

• could have been

• must have been

• could be

• should have been

It was odd that you ________ the same car.

• should have bought

• would have bought

• could have bought

I asked them to leave but they _______ go.

• might not

• wouldn't

• should not

• ought to

It's a pity you didn't ask because I ________ you.

• shouldn't

• couldn't help

• can't help

• could have helped

It's your own fault, you _________ gone to bed so late.

• can't have

• shouldn't

• shouldn't have

• couldn't have