1、黄埔同仁学校黄埔同仁学校 陆文燕陆文燕 Teaching Objectives:Students learn the meaning Students learn the meaning of the modal verbs.of the modal verbs.Students are encouraged to Students are encouraged to use those modal verbs.use those modal verbs.I can skate.May I come in?Must I finish my homework tonight?So,who can
2、 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，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。singswimride a bikenShe can sing.nHe can swim.nThey can ride a bike.nShe can not sing.nThey can not ride a bike.nHe can not swim.一、Say what the people
3、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。n1、Lingling can ride a horse.n2、He can speak Chinese.n3、Lingling and Daming can play the piano.n4、My father can play table tennis.n5、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
4、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(cant)+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。n1、Lingling can ride a horse.n2、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.n3、Lingling and Daming can play the piano.n4、My father can play table tenni
5、s.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.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
6、,play football,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 _.canspeak butcantCanrideahorsetheycant playCanswimcantcanplaypiano1、Can
7、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、playsACBBCcan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，
8、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）四、回答：1、肯定回答：Yes，主语（必须人称代词）+can.2、否定回答：No，主语（必须人称代词）+can not（cant）.注意事项：Yes 或 no 后要使用逗号，除了I 以外，其他人称都要小写。
