Unit 3 Past and Present Speculation

I'm sure this is Matt's scarf. It looks the same.

• It must be Matt's scarf.

• It might be Matt's scarf.

• It may be Matt's scarf.

• It can't be Matt's scarf.

It is possible that Jennifer left the door unlocked.

• She must have left the door unlocked.

• She might leave the door unlocked.

• She might have left the door unlocked.

• She must leave the door unlocked.

Bella is sure that Roland forgot to pay for his lunch.

• She thinks Roland might have forgotten to pay.

• She thinks Roland could have forgotten to pay.

• She thinks Roland must forget to pay.

• She thinks Roland must have forgotten to pay.

We ........................ lost, but I'm not sure. Do you have a map?

• can't be

• might be

• must have been

• must be

Look! 345 flight to London! That ............... our plane! Hurry!

• can't be

• might be

• must be

• might have been

"Excuse me, but we didn't order any champage. This...........our bill."

• must be

• must have been

• can't have been

• can't be

This...........our hotel. It looks exactly as the one on the website.

• must have been

• must be

• might have been

• can't be

It................Hanna who called you two hours ago. She was at the cinema with me.

• can't be

• must be

• can't have been

• might have been

I don't know where my glasses are. I ...................them at work or maybe in the car.

• must have left

• might leave

• must leave

• might have left

It's possible we are too late to catch the last train.

• We might be too late to catch the last train.

• We must be too late to catch the train.

• We can't be too late to catch the train.

• We must have been to late to catch the train.