Task 5. Use should / shouldn't / mustn't 1. We invite the Nortons to our party. They are nice people. 2. Young children stay at home on their own. 3. Before you go to the dentist's, you brush your teeth. 4. You smoke in bed! 5. You shut the windows because it is raining. 6. You forget her birthday again. 7. You go to the theatre when you are in Vienna. It's great. 8. They tell her about John's accident. She could break down. 9. You cross the street when the traffic lights are red. 10. The doctor told Charlie that he drink too much alcohol.

1. We  should  invite the Nortons to our party. They are nice people.

2. Young children  shouldn't  stay at home on their own.

3. Before you go to the dentist's, you  should  brush your teeth.

4. You  mustn't  smoke in bed!

5. You  should  shut the windows because it is raining.

6. You  mustn't  forget her birthday again.

7. You  should  go to the theatre when you are in Vienna. It's great.

8. They  shouldn't  tell her about John's accident. She could break down.

9. You  mustn't  cross the street when the traffic lights are red.

10. The doctor told Charlie that he  shouldn't  drink too much alcohol.