1) I don’t want anyone to know about our plan. You ____ tell anyone. a) mustn’t b) don't have to  c) doesn't have to 2) Richard ______________ wear a suit to work, but he usually does. a) mustn’t b) don't have to c) doesn't have to 3) I can stay in bed tomorrow morning because I _________________ go to work. a) mustn’t b) don't have to c) doesn't have to 4) Whatever you do, you _____________ touch that switch. It’s very dangerous. a) mustn’t b) don't have to c) doesn't have to 5) There’s a lift in the building, so we _______________ use the stairs. a) mustn’t b) don't have to c) doesn't have to 6) You ______________ forget what I told you. It’s very important. a) mustn’t b) don't have to c) doesn't have to 7) Sue ________________ get up early, but she usually does. a) mustn’t b) don't have to c) doesn't have to 8) Don’t make so much noise. We ______________ wake the children. a) mustn’t b) don't have to c) doesn't have to 9) I _____________________ eat too much. I am on a diet. a) mustn’t b) don't have to c) doesn't have to 10) You __________________ be a good player to watch a game of tennis. a) mustn’t b) don't have to c) doesn't have to

Modals of Obligation- Negatives

لوحة الصدارة

النمط البصري

الخيارات

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