高一英语情态动词.pptVIP

情态动词Ⅱ Wang nuanfang Translation Translation 能把那些书递给我吗？ 我可以进来吗？ Must, can/could, may/might表示推测、猜测与可能性的用法 一、must 的用法 二、can/could 的用法 注意：could 不是can的过去时态，它也表示推测，但在语气上较为委婉或可能性要小一些。 请体会： It can be better to stay here. It could be better to stay here. I don’t know where Debbie is, she can be in the kitchen. I don’t know where Debbie is, she could be in the kitchen. 三、may/might的用法 表示肯定推测时,各情态动词语气强弱如下： Must（一定） will（很可能）/ would（很可能） ought to（应该，很可能） should（应该，很可能） can （可能）/ could（可能） may（可能） might （可能） 情态动词表推测的用法 Mike can’t have found his car, for he came to work by bus this mornig. Exercises 1.---What ____ it be? ---It ____ be a mail box, for it is moving. It ___ be a car. A. can; can’t; must B. can; can; must C. can; mustn’t; must D. must; mustn’t can 2. ---Isn’t that Ann’s husband over there? ---No. it ____ be him---I’m sure he doesn’t wear glasses. A.can’t B. must not C. wont D, may not Exercises 3.---When can I come for the photos? I need them tomorrow afternoon. ---They ____ be ready by 12:00. can B. should C. might D. need 4.---are you coming to Jeff’s party? ---I’m not sure. I ___ go to the concert instead. A. must B. would C. should D. might Exercises 5.---You may laugh, but I’ve been thinking of becoming a vegetarian. ---Oh, you ____ be out of your mind. You will be hungry all the time. A. will B. may C. must D. should 6.---I wonder why they are late? ---They _____ the train. A. can’t have missed B. could miss C. must have missed D. might miss 7.---Show me your permit, please! ---Oh, it’s not in my pocket. It ______. A. might fall out B. could fall out C. should have fallen out D. must have fallen out Exercises 8.---Has Mike started? He said he would join in the party. ---He ____. He is a man of keeping his word. A. could have left B. must have left C. can’t come D. won’t be coming 9.Everything