must一般疑问句意为“……必须……吗”.肯定回答用must(必须),否定回答用needn't或 don't/doesn't have to(不必)。如Must I finish the work today?我必须在今天之内完成工作吗?Yes,you must.是的,你必须./- No,you needn't.不,你不必./-No,you don't have to.不,你不必.Must用法...
I must do my homework.I have to clean my room.I must not disturb the lesson.I don't have to use my computer.Do you have to go to the bathroom?-Yes, I do.-No, I don't.希望能帮助你,节日快乐!
情态动词must的用法提示
must的否定形式是must not/ mustn’t,意思是“不应该、禁止”,语气较强。例如:You must not smoke here.你不许在这里吸烟。We mustn’t be late again.我们不应该再迟到了。由must引导的一般疑问句,肯定回答用must,否定回答用needn’t, don’t need to或don’t have to均可,但不用mustn...
肯定句:must用来强调某事的必要性,如”You must finish it today.“。否定句:mustn’t表示强烈禁止,而非“不必要”,如”You mustn’t leave without permission.“。疑问句:在一般疑问句中,否定回答要用needn’t,如“Must I come over tonight?” “No...