问句:Need you…?
肯定回答:Yes, I must.
否定回答:No,I needn't
问句:Must you…?
否定回答:/don't have to.
例题:
1. -Could I borrow your dictionary?
-Yes, of course, you______.
A. might;B. will;C. can;D. should;
答案:C。
解析: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。
解析: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。
解析: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。