Exercise 1

1.You must be 18 before you can drive in  Spain.

2.You  shouldn’t go to bed so late. It’s not good for you.

3. You don’t have to wer a school uniform in most Spanish state school.

4. You needn’t come .I can do it without you.

5. You mustn’t copy during exams.

6. You mustn’t be very tall to play football.

7. You must be a good writer to win the Pulitzer Prize.