Choose the right forms ofthe verbs.
1. (must/may) I stay in this room? -Yes you may. 2. (can/ should) you speak louder? I (cant/ shouldn't) hear you. 3. Mrs. Brown (may/ can) I use your pen? I'm afraid not. 4. You (must/ may) help your parents in
everything. 5. You (can't/ shouldn't) be late if you get up early. 6:19
could/should) play football when I was twenty. 7 You (can't/ shouldn't)
eat so much if you to be slim. 8 If you drink cold water, you'll get ill. You (must/ can't) do it.
May, Can, may, must, can't, could, shouldn't, must