1 Fill in the gaps with can, can’t, could or couldn’t.

1. I __________ speak English, but I can’t speak Russian.

2. Susan __________ help me today. She’s very busy.

3. When my brother was nine, he __________ ride a bike, but he learnt two years later.

4. I __________ only stay up late at the weekend when I was at school.

5. Jodie __________ drive, so she always goes to work by bus.

6. When John was five years old, he __________ swim very well. He was a real champion!



2 Choose the correct item.

1. I must / have to phone Max. I want to wish him Happy Birthday!

2. We don’t have to / mustn’t cook dinner today. It’s not necessary.

3. Students mustn’t / don’t have to cheat! It’s forbidden.

4. My doctor says I have to / must take the medicine for three days.



3 Complete the sentences with should or shouldn’t.

1. I think you ______________ visit a doctor. You don’t look well.

2. Nurses ______________ always be nice to their patients.

3. You ______________ drive a car when you are tired. It’s dangerous.

4. Matthew ______________ call his friends after 10 pm. They don’t like it.