Unit 4 What's wrong with you Lesson 20--关于情态动词can的用法.ppt

Unit 4 Whats wrong with you Lesson 20关于情态动词can的用法,情态动词本身有一定的词义，表示说话人的情绪，态度或语气。情态动词没有人称和数的变化。can是情态动词其中之一，表示“能，会”。,基本用法,1、表示能力（如体力和脑力方面）意为“能力、会”。Can Han Mei speak English?韩梅会说英语吗？Can Lisa play the piano?丽萨会弹钢琴吗？,2、表示请求或许可。You cant play basketball.你不能打篮球。Can you?意为“请你好吗？”表示说话人的请求 Can you help me?你能帮助我吗？Can I?意为“我可以吗？”用来询问对方的许可，可以在句末加please 使之更有礼貌,3 表示可能He can be at home now.他现在可能在家。The moon cant always be full.月亮不可能常圆。,含情态动词can的否定句，直接在情态动词can后加not,成为can not,缩写为cant。,sing,swim,ride a bike,She can sing.,He can swim.,They can ride a bike.,She can not sing.,They can not ride a bike.,He can not swim.,否定句,把下列句子变为否定句。,1、Lingling can ride a horse.2、He can speak Chinese.3、Lingling and Daming can play the piano.4、My father can play table tennis.5、She can swim.,cant,cant,cant,cant,cant,含情态动词 can的一般疑问句，直接将can提至句首，首字母大写，原主语的首字母改成小写，第一人称变为第二人称。回答的主语和问句的主语要一致。PS：有时根据句意可用Yes/OK/Certainly作肯定回答，用No/sorry 来作否定回答。,一般疑问句：,把下列句子变为一般疑问句并作肯定和否定回答。,1、Lingling can ride a horse.2、I can speak Chinese.,Can Lingling ride a horse?Yes,she can./No,she cant.,Can you speak Chinese?Yes,I can./No,I cant.,3、Lingling and Daming can play the piano.4、My father can play table tennis.,Can Lingling and Daming play the piano?Yes,they can./No,they cant.,Can your father play table tennis?Yes,he can./No,he cant.,1、贝蒂会说英语，但她不会说汉语。Betty _ _ English,_she_ speak Chinese.2、你的朋友会骑马吗？会。_ your friends _ _ _?Yes,_ can.3、那个女孩不会打网球。The girl _ _ tennis.4、托尼会游泳吗？不会。_ Tony _?No,he _.5、他们会弹钢琴。They _ _ the _.,眼看脑思手动,Can,they,Can,swim,cant,1、Can you play _piano?A、a B、an C、the2、Can you dance?Yes,I _.A、do B、can C、cant3、Can he Write English?No,he _ A、can B、cant C、does4、I _ ride a bike,but I _drive a car.A、can,can B、cant,cant C、can,cant5、She can _basketball.A、play B、playing C、plays,A,C,B,B,C,精挑细选,See you!,