Modals of Deduction

I`m certain I`ve left my umbrella at home.

• I could have left it.

• I might have left it.

• I can`t have left it.

• I must have left it.

She is crying. Perhaps, she has had an argument with him.

• She must have had an argument with him.

• She might have had an argument with him.

• She can`t have had an argument with him.

• She shouldn`t have had an argument with him.

I`m sure Ben has read my email.

• Ben must have read my email.

• Ben shouldn`t have read my email.

• Ben might have read my email.

• Ben can`t have read my email.

You saw her yesterday? That`s impossible!

• You could have seen her.

• You should have seen her.

• You can`t have seen her.

• You could see her.

Nobody knows exactly when he died. It ____been an accident.

• can have

• must have

• should have

• might have

I ___revised more for the exam. I was lazy and now I`ll fail.

• could have

• can`t have

• must have

• should have

It definitely wasn`t my phone that rang in the cinema. Mine was on silent. It...

• might have been my phone.

• must have been my phone.

• could have been my phone.

• can`t have been my phone.

Sarah looked very happy. She ____passed her driving test.

• should have

• shouldn`t have

• must have

• cant` have

You ____been ill yesterday. I saw you at the bus stop.

• could have

• should have

• must have

• can`t have

Where`s Claire? Her bags are here. So, she ____ gone home.

• might have

• should have

• shouldn`t have

• can`t have