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1、专题九,情态动词,情态动词,1,情态动词的基本用法,分析近3年甘肃中考真题可以看出，情态动词主要在语法与情景对话和完形填空中考查；其基本用法和表推测的用流考查，都有涉及。判断二者的方法，就是分析在句子中的意义：1.表示“能”“应该”“不能”“必须”等这些是基本用法；2.表示“一定”“可能”“也许”等这些是表示推测。,1.常见情态动词用法归纳,拓展：,（1）由must引导的一般疑问句, 肯定回答常用must/have to；否定回答常用neednt或dont/doesnt have to，不能用mustnt回答, mustnt意为“严禁，禁止”。如： Must I go with them？我必
2、须跟他们走吗？ Yes, you must. /No, you neednt/dont have to. 是的, 你必须。/不, 你不必。 （2）由may引导的一般疑问句, 肯定回答用may；否定回答用cant/mustnt。如： May I smoke here？我可以在这儿吸烟吗？ Yes, you may. /No, you cant/mustnt. 是的，你可以。/不, 你不能。 （3）could, should, would, might等有时不表示过去, 而是表示委婉的语气。如：Would you tell me the way to the park？你能告诉我去公园的路吗？,2
3、.易混情态动词的辨析,can/could与be able to的区别,must与have/has to的区别, cant与mustnt的区别,考点小练,1. you tell me the differences between these two photos？No. They look quite similar， nearly the same.A. Can B. May C. Must D. Should,2.Must I be home before eight oclock?No, you .A. mustnt B. cant C. neednt D. have to,3.Plea
4、se dont make so much noise. I hear the speaker very well.A. neednt B. mustnt C. cant D. shouldnt,4.You take me to the station. My brother will take me there.A. cant B. mustnt C. shouldnt D. dont have to,A,C,C,D,5.Look! The traffic lights have turned red. We stop our car.A. can B. cant C. must D. mus
5、tnt,6.I think students keep on doing eye exercises to protect their eyes.A. should B. might C. shall D. could,C,A,2,情态动词表推测,1.情态动词表肯定推测,注意：,这几个词按照推测的可能性由大到小为：mustmaymight/could。 如：They must be very tired after a long walk. 走了这么长的路, 他们一定很累了。 The French book may be Alices. She studies French. 这本法语书可能是
6、爱丽斯的。她学法语。 She might be in the library. She likes reading books in the afternoon. 她可能在图书馆。她喜欢在下午的时候看书。,2.情态动词表否定推测,如：Miss Gao cant be in the classroom. I just saw her in the supermarket. 高老师不可能在教室, 我刚刚在超市看见她了。 It may not be her pen. 这可能不是她的钢笔。,考点小练,7.When you are travelling， bring a map because it h
7、elp you.A. cant B. mustnt C. used to D. may,8.This pair of glasses be Tonys. Hes the only one who wears glasses in our class.A. must B. might C. cant D. have to,9.My schoolbag still be in the music hall because I attended a concert yesterday.A. cant B. need C. might D. must,10.Tom， dont drive too fa
8、st. You hit others cars.A. need B. may C. must D. should,D,A,C,B,11.Please call before you come, otherwise we be home.A. shouldnt B. may not C. couldnt D. neednt,12.Theres an important football match today. I miss it.A. may B. cant C. must D. neednt,13.Jenny finally got the job because she speak English fluently.A. might B. must C. could D. should,B,B,C,
