情态动词can的用法ppt课件.ppt
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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 of the modal verbs. Students are encouraged to use those 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,态度或语气,也可表达可能,建议,许可,能力等意义。can的口诀
2、: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 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
3、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、L
4、ingling 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 tennis.Can Lingling and Daming play the piano?Yes,they can. / No,they cant .Can you
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