Сomplete the sentences. Use the modal verbs can,may,mast(not) or should (not),shall.
1)You are lasy my boy. I think you ...
2)If you are too tired to go home, you... stay here for the night.
3)... I use your mobile ,please?
4)Granny is ill,I think you... visit her.
5)Mary is selfish.She ... thinkmore about her friends.
6)John is clever. He ... speak three languages.
7)... I read again, Miss?
8)It is very hot.You ... stay in the san too long.