问句 肯定回答 否定回答 Need you? Yes, I must. No, I neednt Must you? No, I dont 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.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 ___. Ive told him already. A. neednt B. wouldnt C. mustnt D. shouldnt 答案A.neednt 不必,不用。 wouldnt 将不, 不会的。 mustnt 禁止、不能。 shouldnt 不应该。本题为不需要,不必的意思,应用neednt. 3)Dont forget to come to my birthday party tomorrow. ______. A. I dont B. I wont C. I cant D. I havent 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. |