4. Can/can't/could/couldn 't/must/mustn shouldn't 1. The students __ arrive in time for class. 2. My dad is a mechanic. He __ fix your car. 3. You __ have a rest. You look tired. 4. __ you give me your pencil, please? I've lost mine. 5. My mum __ sleep. She has a headache. 6 They __ eat so many bars of chocolate. disappointed 7. You sister __ be happy she passed the test. She hadn 't studied at all. 8. The boys __ hit the girls. It is not allowed. 9. If you were not busy yesterday Tom __ go to the cinema with you. 10. Mark __ play the piano, so he's going to attend classes.

1. The students must arrive in time for class.<br />2. My dad is a mechanic. He can fix your car.<br />3. You should have a rest. You look tired.<br />4. Could you give me your pencil, please? I've lost mine.<br />5. My mum can't sleep. She has a headache.<br />6. They shouldn't eat so many bars of chocolate.<br />7. Your sister couldn't be happy she passed the test. She hadn't studied at all.<br />8. The boys can't hit the girls. It is not allowed.<br />9. If you were not busy yesterday, Tom could have gone to the cinema with you.<br />10. Mark can't play the piano, so he's going to attend classes.