Present and Past Speculation

I'm sure I saw her at the party. It ...... her

• might be

• must have been

• may be

• can

It's possible that your dog got away from home. He...

• can run away

• might have run away

• must have run away

• could have run away

Perhaps Jason left.

• He must have left

• He can have left

• He could have left

• He can't have left

You sister's coat is still here so...

• she might not have gone

• she can't have gone

• she may have gone

Jenny: Oh, I can't find my purse. I... it in the office

• may have left

• must have left

• can have left

This can't be true! You......

• may be joking

• must be joking

• can be joking

• might be joking

I can't open this file. There...

• can be something wrong

• might be something wrong

• must be something wrong

• could be something wrong

Don't call her. It's late and ...... but I don't know

• she can't be sleeping

• she may be sleeping

• she can be sleeping

Well, you know her. She ...... in the garden with her flowers.

• can be

• may be

• must be

• should be

Did your friend take the money without permission? He ..... that shameless

• can have been

• must have been

• couldn't have been

• might not have been