2018届中考英语复习课件：语法 情态动词(共39张PPT).ppt

* 情态动词不能单独作谓语，它必须和动词 原形连用一起构成谓语。 一、情态动词的情态意义表示法 考点一：can可表示现在或将来的能力， 意为“能；会”。can还可表示请求、允 许，意为“可以”。如： Gabriella can speak French fluently. Can you help me lift this box? 考点二：could可表示过去的能力；当 could表示允许时，语气比can更加委婉 和客气。如： Could I have a drink of water, please? 考点三：may表示请求、允许，意为“可 以”。如： May I come in and wait? Thank you. You may go now. 考点四：might表示允许时，语气比may更 加委婉和客气。如： Might I borrow your pen? 考点五：must表示义务、命令或必要，意 为“必须”，强调主观看法。mustn’t表示“不 允许；禁止”之意。如： All passengers must wear seat belts. You mustn’t talk to your mother like that. 考点六：have to意为“不得不”，强调客观 需要。如： It is getting late. I have to go. 考点七：should意为“应该”，既可以表示义 务或责任，还可以表示劝告或建议。其否定 式为shouldn’t，意为“不应该”。如： You should read his new book. It’s really interesting. Children shouldn’t be allowed to play in the street. 考点八：had better do sth.意为“最好做某 事”，其否定式在better后加not。如： You’d better (not) see the film yourself. 考点九：need表示“需要”，作情态动词时， 通常用于否定句或疑问句中。 1. —I don’t care what people think. —Well, you _____. You’re not alone in this world. A. can B. may C. should D. will (2017 河南) 【中考链接】 2. I have travelled a lot. I _____ speak four languages. A. can B. may C. must D. need (2017 河北) 3. —Mum, may I go swimming now? —Yes, dear, but remember that you _____ go with your dad. A. may B. can C. must (2017 福建) 4. —What should we do to protect the fish in the river? —We ________ throw rubbish into the river. A. need B. neednt C. must D. mustnt (2016 辽宁沈阳) 5. You ________ take me to the station. My brothers taking me. A. cant B. mustnt C. shouldnt D. don t have to (2016 江西) 6. Jenny finally got the job because she ______ speak English well. A. might B. must C. could (2015 广东佛山) 7. —How do you usually go to school? —My school is far away. I ______ take the bus to school. A. must B. might C. have to (2015 山东菏泽) 8. As middle school students, we ______ be afraid of difficulties if we want to make our dreams come true. A. must B. shouldnt