MODALS (present & past)

I’m sure that man we saw last week wasn’t Tom. It ____ him because he was away then.

• can’t be

• can’t have been

• must be

• might have been

After twelve hours of work, you ____ awfully tired.

• might not be

• must be

Who’s that at the door?

Oh, it __ our neighbour. He said he would come by for a chat.

• can’t be

• might be

• might have been

Nobody knows for sure what happened to the prisoners. They ___ to Argentina.

• couldn’t have escaped

• might have escaped

• might escape

This ___ John’s car. His is black, not blue.

• can’t be

• may be

• must be

I’m not sure where the car keys are, but they ___ in one of the drawers.

• could be

• must be

• mustn't be

The woman we met last night ____ Monika’s mother because they all have dark hair and her hair was red.

• can’t have been

• must have been

• must be

• can be

There ___ a solution to this problem, but I’m really tired, so I’ll think about it tomorrow.

• must have been

• must be

I’m sure it was Sally’s car that we saw.

It ____ her car because it had exactly the same stickers on

the windows.

• must have been

• must be

The train is running late, so we ____ on time. But, perhaps we’ll make it.

• might not arrive

• could arrive