普通高中英语学业水平合格性考试第2篇板块1第3讲情态动词学案

这是一份普通高中英语学业水平合格性考试第2篇板块1第3讲情态动词学案，共3页。
第三讲　情态动词[语法规则再现]情态动词含义示例cancould(指过去时间)(1)表能力，意为“能，能够，会”(2)表可能(理论或逻辑判断)(3)表请求(4)表对现在状态或动作进行猜测(否定句或疑问句) ①He can speak English fluently.②He can compete in the football match if time permits.③Can you help me with my Chinese?④Mary can't be in the classroom now.She is injured at home.maymight(1)表允许(2)表可能①I may go hiking if I finish my homework.②It may rain soon.must(have to表客观需要)(1)表必须(肯定句)(2)表揣测，意为“想必，准是，一定”①I must go home now.②My mother must be exhausted now，because she walked a long time.shouldought to(1)表责任或义务，意为“应该”(2)表推测，意为“照说应该，估计”①You should do what you are asked to do.②Children ought to be able to read by the age of 7.shall在疑问句中征求意见(主语是I，we，he)Shall we go to the museum after class？willwould(1)表意愿(2)表请求(第二人称)(3)表过去的习惯①I will do it well for you.②Would you please open the door?③He would swim when he was young. [典型例题分析]1．—What do you think of Betty?—Lovely，though she ________be naughty sometimes.can　[考查情态动词。句意：——你认为贝蒂如何？——很可爱，尽管她有时候会很调皮。can表示“有时候可能会”的意思。]2．I'm Captain John Blanchard.You ________be Miss Hollis.I am glad to meet you here.must　[考查情态动词。你一定是Hollis女士。根据语境可知此处要用must表示肯定的推测。][语法专项对练]单句语法填空1．—Can't you stay a little longer?—It's getting late.I really must go now.My daughter is home alone.2．It was so noisy that we could not hear ourselves speak.3．You must be Carol.You haven't changed a bit after all these years.4．You may feel all the training a waste of time，but I'm a hundred percent sure later you'll be grateful for what you did.5．You must be careful with the camera.It costs!6．I would stay at home rather than go shopping.7．—Shall we have a cup of tea here?—That's a good idea.8．—Would you close the window for me?—Certainly.9．The man with a cap must be Tom's father.I have seen him before.10．The traffic is heavy today；I might arrive a bit late，so could you save me a place?11．You should study harder than before，because the final exam is coming.