Mustn't / don't have to (English exercise n°14439 - Please quote this number when contacting us)Other English exercises on the same topicMustn't / don't have toMustn't do something ==> it's necessary not to do it. Example: fire is dangerous. you mustn't play with it. Don't have to do something ==> you don't need to do it but if you want, you can. Example: you don't have to tell me everything. Good luck, everybody.English exercise "Mustn't / don't have to" created by anonyme (28-12-2006) with The test builderClick here to see the current stats of this English test1. Whatever you do, you doesn't have tomustn'tdon't have to touch that switch.It's very dangerous. 2. I don't want anyone to know ; you doesn't have tomustn'tdon't have to tell anyone. 3. He mustn'tdoesn't have todon't have to wear a suit to work but he usually does. 4. I can stay in bed tomorrow morning because I doesn't have tomustn'tdon't have to go to work. 5. There's a lift in the building, so she don't have todoesn't have tomustn't climb the stairs. 6. You doesn't have todon't have tomustn't forget what I told you. It's very important. 7. Sue mustn'tdoesn't have todidn't have to get up early. She gets up early because she wants to. 8. Don't make so much noise. We mustn'tdidn't have todon't have to wake the baby. 9. I mustn'tdon't have todoesn't have to eat too much. I'm supposed to be on a diet. 10. You didn't have todon't have tomustn't be a good player to enjoy a game of tennis. End of the free exercise to learn English: Mustn't / don't have to (01.11.2008 15:41)A free English exercise to learn English.Other English exercises on the same topic | All our lessons and exercises