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.