21.12 情态动词的回答方式
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'tD.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。