情态动词can的用法.ppt

1、,Welcome!,黄埔同仁学校 陆文燕,Teaching Objectives: Students learn the meaning of the modal verbs. Students are encouraged to use those modal verbs.,Unit 6 Grammar-Modal verbs,I can skate.,May I come in ?,Must I finish my homework tonight?,So,who can tell me what are can 、 may and must?,情态动词本身有一定的词义，表示说话人的情绪，

2、态度或语气，也可表达可能，建议，许可，能力等意义。,can的口诀：,情态动词can、can、can，动词原形跟后面。 变否定can加not，变疑问can提前。 主语人称单复数，情态动词不能变。,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.,一、Say what the people in the picture can do.,(根据图片提出句子),含情态动词can的否定句，直接

3、在情态动词can后加not,成为can not,缩写为cant。,二、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，回答的主语和问句的主语要一致。,情态动词can没有人称和数的变化，即表达“某人会（不会）做某事”用“can(c

4、ant)+ 动词原形”。,三、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 th

5、e piano? Yes，they can. / No，they cant .,Can your father play table tennis? Yes，he can. / No，he cant .,四、Speaking,1、Say what you can do and cant do. 2、Work in pairs .Ask and answer. Find out what your friend can do.(sing , swim , ride a bike , ride a horse , play the piano , play basketball , play fo

6、otball , play table tennis , play tennis ),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、

7、a B、an C、the 2、Can you dance? yes, I _. A、do B、can C、 cant 3、Can he Write English? No,he _ A、can B、 cant C、does 4、I _ ride a bike ,but I _drive a car. A、can , can B、 cant , cant C、can, cant 5、She can _basketball . A、play B、playing C、plays,A,C,B,B,C,精挑细选,can的口诀：,情态动词can、can、can，动词原形跟后面。 变否定can加not，变疑

8、问can提前。 主语人称单复数，情态动词不能变。,情态动词can可以引导肯定句和疑问句。 1、肯定句：主语 + can + 动词原形 + 其他成分 2、否定句：主语+cannot/cant+动词原形+其他成分 3、疑问句：Can + 主语 + 动词原形 + 其他成分？ 三、 can 引导的肯定句变为疑问句的方法：（一调二改三问号） 1、can 提前，首字母大写。（一调） 2、肯定句中主语在变成疑问句时的变化。（二改） 如：肯定句：You can feed the animals.你可以喂动物。 疑问句：Can I feed the animals?我能喂动物吗？ 3、在句尾后面加问号。（三问号