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件狀語從句中 )假設,萬一。 Should you change your mind, let us know. (= If you should change your mind, …) ??记閼B(tài)動詞的用法 If the car should break down on the way, you would have to walk back. (5)(用于表示命令、建議、請求的動詞后面的that從句中,且 should可省略 )應該;必須。 I suggested that he (should) change his mind. 我建議他改變主意。 ??记閼B(tài)動詞的用法 You________ get a new bicycle as a reward for doing well in the following final exam. A. must B. will C. shall D. should 6. must (1)(表示義務、必要性、命令 )必須,得,要。 You must do as you are told. I can’t go to the movies. I _________stay at home looking after my sister. (2)表把握性很大的推測。 (3)must not/mustn’t 表禁止,不允許。 Cars mustn39。t be parked here. ??记閼B(tài)動詞的用法 have to (4)must的一般疑問句的否定回答 (5)(表固執(zhí),不滿等 )偏偏,硬要,偏要表示與說話人愿望相反及不耐煩。 If you must know my age, I tell you that I39。m twice my son39。s age. (6)Everyone must die. (表必然性 )必定。 ??记閼B(tài)動詞的用法 情態(tài)動詞 人固有一死 (1) ——Madam , must I hand in my paper today? ——Yes, you _____. ——No, you____________________. must needn’t / don’t have to ( 10湖南) You buy a gift, but you can if you want to. A. must B. mustn39。t C. have to D. don39。t have to ( 10江西) I have told you the truth. ______ I keep repeating it? A Must B Can C May D Will 真題典例 [ 2022福建卷 ] —Shall I inform him of the change of the schedule right now? —I am afraid you________, in case he es late for the meeting. A. will B. must C. may D. can 真題典例 [ 2022全國卷 Ⅱ ] If you________smoke,please go outside. A. can B. should C. must D. may 熟 讀 深 思 (1) You needn39。t water the tomato plants now. (2)— Need I go there right now? — Yes, you must. / No, you needn’t need 對于 “ Need I … ?”的肯定回答用 yes, you must; 否定回答用 no, you needn’t. 1. dare作情態(tài)動詞時,后接動詞原形。 1)How dare you say that to your mother? 1)We must dare to think, to speak and to act. 2)She doesn’t dare (to) speak before a big audience. 3)Does the little girl dare (to) do that by herself? 2. dare作實義動詞更常見,做實義動詞后加不定式。但是在疑問句和否定句中,不定式符號 “to”可省略。 dare He is such a horrible person that ______. A. She dare not to speak to him. B. She doesn’t dares to speak to him. C. She doesn’t dare speak to him. D. She dares