Сomplete the sentences. Use the modal verbs can,may,mast (not) or should (not) ,shall. 1) You are lasy my boy. I think you … work more.

1. You are lazy, my boy. I think you should work more.2. If you are too tired to go home, you can stay here for the night.3. May I use your mobile, please? 4. Granny is ill, I think you must visit her.5. Mary is selfish. She should think more about her friends.6. John is clever. He can speak three languages.7. May I read again, Miss? 8. It is very hot. You should not stay in the sun too long.