Someone must have forgotten to lock the door.

• active

• passive

The flight must have been cancelled.

• active

• passive

Their ships could have been destroyed in a huge storm.

• not certain

• almost certain

• very certain

We must not have been invited to the party.

• not certain

• almost certain

• very certain

She must have missed the early train.

• not certain

• almost certain

• very certain

My car / must / steal / very late last night

• My car must have been stolen very late last night.

• My car must have been stole very late last night.

• My car must have been stolen last night very late .

This desk / might / make / in the seventeenth century

• This desk might have been made in the seventeenth century.

• This desk might have been make in the seventeenth century.

I’m so sorry! I ______ tell you about the party tonight, but I forgot.

• supposed to

• was supposed to

• was suppose to

I ______ to let anyone into the museum before 9:00, but I’ll break the rules.

• not supposed

• ‘m not suppose

• ‘m not supposed

Did you remember that you ______ give your presentation today?

• ’re supposed to

• supposed to

• will supposed to