4-中考英语情态动词复习课件.pptVIP

中考英语专项复习——情态动词 概念： 情态动词是表示情态意义的动词，他表示说话人的语气和情态，它不能单独作谓语，必须与实义动词一起构成谓语，情态动词没有人称和数的变化，过去式通常表示更客气、更委婉。 I can speak English .He can speak English. They can speak English, too. Can you help me? / Could you help me? * 初中阶段必须掌握的情态动词： can could may might will would must have to need had better should * 考点一：情态动词基本含义 can ( could ) 能，会 may (might) 可以，可能 will (would) 将，会，愿意 must 必须 have to不得不 need 需要 sb need to do sth ,sth need doing . should应该 had better 最好 had better (not) do sth * 1.-______ you speak Japanese ? -No, I can’t A. Can B. Must C. May D. Should 2.You ______ stop when the traffic light is red. A. can B. may C. must D. need 3.LiLei can’t go hiking with us today .Because he__ ____take care of his sick mother . A .has to B .may C. mustn’t D .need ’t * 考点二：表猜测语气的情态动词 表猜测性的情态动词有：may ， can’t ， must 。 may表没把握的猜测。 can’t 表有把握的否定猜测。 must 表有把握的肯定猜测 * 1.The light in the office is off. The teacher ______be there now.（南通） A. may B. can’t C. mustn’t D. must 2.His parents bought him a large house . It ____be very expensive（宁夏） A. must B. can C. mustn’t D. can’t * 考点三：情态动词开头的疑问句的答语 句型 肯定回答 否定回答 Can I… Yes, you can . No, you can’t . May I … Yes ,you may. No, you mustn’t. No, you can’t. Must I… Yes, you must. No, you needn’t. No you don’t have to Need I… Yes, you must. No, you needn’t * 1.Must I take the keyboard to the office now ? -No, you _____.You can do it later. A. mustn’t B . can’t C . don’t D. needn’t 2.May I take this book out of the reading room? -No, you ______. You must read it here. A. may not B .don’t have to C. mustn’t D. needn’t * 考点四：易混词的辨析 （一）must 与have to We _____study hard . We _____stay at home because it is raining. 提示：must 表主观看法，意为“必须”。 have to表客观需要，意为“不得不” （二