语法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'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。
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