Past Modal Deduction

Front

You almost fell off the cliff!

Back

That must have been terrifying.

Front

He doesn't have a driving license.

Back

He couldn't / can't have driven there.

Front

How did they lose the game?

Back

They can't / couldn't have tried very hard.

Front

Why were there no taxis available?

Back

It might / may have been because it was raining.

Front

The referee was standing right there when the tackle happened.

Back

He must have seen it, surely!

Front

Let's go to the lost and found to see if they have your wallet.

Back

Someone might / may have handed it in.

Front

I don't know for sure that my phone was stolen.

Back

I might / may have left it in the taxi.

Front

Oh, good! We've got bread.

Back

Jun must have bought some this morning.

Front

Where are my books?

Back

You might / may have left them in the library.

Front

Amy is on holiday in Bali this week.

Back

It couldn't / can't have been her you saw this morning.