English exercise = Obligation (test n°28258 - Please quote this number when contacting us)Other English exercises on the same topicObligationChoose the right verb. IntermediateEnglish exercise created by geldreichd (14-10-2007 21:51) with The test builderClick here to see the current stats of this English test1. You doesn't have to don't have to mustn't drive without a seatbelt. 2. John doesn't have to don't have to mustn't pay for me ! 3. You doesn't have to don't have to mustn't smoke in the lift. 4. We doesn't have to don't have to mustn't go home yet, it's only 9:30 PM. 5. You doesn't have to don't have to mustn't stay out so late, you're sick and it's bad for you. 6. I doesn't have to don't have to mustn't forget my mother's birthday again ! 7. Children doesn't have to don't have to mustn't wear a uniform in all schools. 8. You doesn't have to don't have to mustn't leave without saying 'good-bye' ! 9. You doesn't have to don't have to mustn't buy me flowers every time you see me ! But it's very nice. 10. I've told you before. You doesn't have to don't have to mustn't touch that hot stove. End of the English exercise: Obligation (28.10.2007 06:11)A free English exercise to learn English.
GREAT! 
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