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“通知說所有的考生必須坐在位置上直到考卷收完了才能離開?!笨忌谖恢蒙喜荒苡谩澳軌颉⒁?、可以”來表示。而 shall 在第二、三人稱里面表示一種“命令、警告、承諾”等。 3. When can I e for the photos? I need them tomorrow afternoon. They __________ be ready by 12:00. (N 1998) A. can B. should C. might D. need 4. You can’t imagine that a wellbehaved gentleman _____ be so rude to a lady. (2020上海 ) A. might B. need C. should D. would B C 此句應(yīng)是店主對顧客的承諾。 should 與 how。 why 等表示疑問或否定的詞連用時(shí),用來表示一種驚奇的心情,意思為“居然、竟然” 5. 情態(tài)動詞的應(yīng)答 1. Shall I tell John about it? No, you ______. I’ve told him already. (N 1994) A. needn’t B. wouldn’t C. mustn’t D. shouldn’t 2. Could I call you by the first name? Yes, you__________. (1998上海 ) A. will B. could C. may D. might A C 此句的關(guān)鍵是“ I’ve told him already”,由此可見,你就不必再對他說了。 在回答 “ Could I …” 這類婉客氣的請求時(shí),只能回答“ Yes, you can 或 may”。不能用 could 或 might。 3. Will you stay for lunch? Sorry, _____. My brother is ing to see me. (N 1999) A. I mustn’t B. I can’t C. I needn’t D. I won’t 4. Write to me when you get home. __________. (2020北京春季 ) A. I must B. I should C. I will D. I can B C 此句的關(guān)鍵是 “ My brother is ing to see me.” 所以我不能在這兒吃飯。 在回答對方的請求或命令時(shí),應(yīng)該用 “ Yes, I will.”而不能使用 would 或 should。 6. 情態(tài)動詞的其它一些用法 1. I wonder how he _______ that to the teacher. (1996上海 ) A. dare to say B. dare saying C. not dare say D. dared say 2. The fire spread through the hotel very quickly but everyone ______ get out. (N 1997) A. had to B. would C. was able to D. could 3. When he was there, he _______ go to that coffee shop at the corner after work every day. (1996上海 ) A. would B. should C. had better D. might D C A 注意比較 dare 和 need 的兩種詞性的不同用法。 注意比較 could 與 was able to 的用法區(qū)別。 would 在此處表示過去慣常的動作。 情態(tài)動詞的 八大考點(diǎn) ? 一、 can/may/must/need 問句的回答方式 Can/Could you do sth. Yes, I/we/can/could No, I we can’t/ couldn’t May I do sth.? Yes , No ,you Must I /we do sth.? Yes, No you Need I do sth.? Yes , No, you 疑問句式 肯定句式 否定答式 you may. mustn’t/may not. you must needn’t/don’t have to. you must. needn’t/don’t have to. ? 二、 can,could,may,might,must 表示判斷的用法比較 ? 1. The light is on in the o