问句 肯定回答 否定回答 Need you…? Yes, I must. No,I needn t Must you…? /don t have to.
典型例题
1)---Could I borrow your dictionary? ---Yes, of course, you____. A. might B. will C. can D. should 答案C.could表示委婉的语气,并不为时态。答语中of course,表示肯定的语气,允许某人做某事时,用can和 may来表达,不能用could或might。复习: will 与you连用,用来提出要求或下命令。should与you 连用,用来提出劝告。
2)---Shall I tell John about it? ---No, you ___. I ve told him already. A. needn t B. wouldn t C. mustn t D. shouldn t 答案A。needn t 不必,不用。 wouldn t 将不, 不会的。 mustn t 禁止、不能。 shouldn t 不应该。本题为不需要,不必的意思,应用needn t。
3)---Don t forget to come to my birthday party tomorrow. ---______. A. I don t B. I won t C. I can t D. I haven t 答案B. will既可当作情态动词,表请求、建议、也可作为实义动词表"意愿、意志、决心",本题表示决心,选B。