Modal verbs

You____________ forget to pay the rent tomorrow. The landlord is very strict about paying on time.

• don't have to

• couldn't

• mustn't

• have to

When you are at the beach you _________ listen to the lifeguard.

• shouldn't

• must

• can

• may

Lyanna ______ play tennis quite well.

• can

• could

• must

• should

You don't look well. You ______ see a doctor.

• should

• can't

• must

• mustn't

My hands are full.I____________answer the phone right now.

• can't

• might not

• should

• must

Ted's flight took more than 11 hours. He­­­­­­­­­­­­­­­­­____________ be exhausted.

• must

• can

• had better

• have to

The test starts at 3:00 pm, you ______ be late

• mustn't

• must

• need to

• have to

The weather_____ be better tomorrow.

• may
• could
• have to
• needn't

You ___________ walk on the grass. It isn't allowed.

• won't

• can't

• mustn't

• couldn't

____________ I go out, please?

• Should

• Must

• Can't

• May