Modals of deduction

A: Someone is knocking at the door.

B: It 1______________ be the pizza delivery man. I ordered a pizza.

Paul is behaving in a very unusual way.

I think he ______ again.

• can't drink

• can be drinking

• might be drinking

I think there ______ a mistake in your tax return. You should check it.

Choose TWO correct options

• might be

• can't be

• may be

If Suzan said that, it ______ true. She never lies.

• might be

• must be

• can be

Sorry, but I'm not Connor. You ______ me for someone else.

• might be confusing

• must confuse

• must be confusing

I'm not sure I trust Peter.

He ______ the person we think he is.

• might not be

• can't be

• must not be

You have walked for ten hours. You ______ exhausted.

He ______ his son, they look completely different.

There's a bit of traffic, so I ______ arrive in time.

Choose TWO correct options

• might not

• must not

• may not

He ______ be very proud of you right now. You disappointed him.