Modals : Obligation

We have a lot of work tomorrow. You ----- be late.

• Have not

• needn´t

• mustn´t

• must

The museum is free. You ------- pay to get in.

• don´t have to

• must

• need to

• shouldn´t

Don´t have to, needn´t or don´t need to to talk about the past

• True

• False

Is this sentence correct?

John's a millionaire. He needs to go to work.

• Correct

• Incorrect

Types of modal verbs

• Must

• Need to

• All of them

• Have to

We --------- stay in a hotel in London; we can stay with my brother.

• Don´t have to

• Have to

• Don´t need to

• Need to

Did you have fun?

• Yes I loved it

• Not really

• Not at all

• Yes, it was fun