You _____ lose your boarding pass. You _______ board the plane with it.

• have to / must

• mustn't (must not) / don't have to

• must / mustn't

• mustn't /must not) / have to

I think you ________ go by train. It's much faster than the bus.

• should

• must

• don't have to

you ______ drive when you're tired. It's dangerous.

• should

• don't have to

• mustn't

• have to

Which modal verbs can be used to give advice?

• should

• ought to

• have to

• both 1 & 2

When giving stron advice or recommendations, we use the modal verb ______

• have to

• must

• can

• don't have to

We use the modal verb ____ for prohibition. (things you are not allowed to fo)

• don't have to

• can't

• shouldn't

• mustn't

For things you don't need to do. We use the modal verb_________

• don't have to

• doesn't have to

• mustn't

• both 1 & 2

To show obligation, these modal verbs are used.

• must not / don't have to

• should / ought to

• have to / must

• mustn't / have to

My friend can't go to the movies with me; she has to study for the final exam.

• truth

• advice

• prohibition

• obligation

Complete the missing modal verb:

• Claudia __________ drive a car, because she is very tired.