八年级英语上册Unit9Canyoucometus3c课件新版人教新目标版

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八年级英语上册Unit9Canyoucometus3c课件新版人教新目标版

Unit 9 Can you come to my party? 第三课时 (Grammar Focus3c) 情态动词 can 的用法 ► can 是情态动词 , 其后直接接动词原形。 can 没有人称和数的变化 , 但有时态的变化 , 它的过去式为 could , 但 could 一般不用来强调时态 , 而用来表示更委婉的语气。 can 的用法如下: ① 表示能力 , 意为 “ 能;会 ” , 具体指体力或脑力方面的能力。 eg : I can play basketball. 我会打篮球。 He can't dance well. 他跳舞跳得不好。 ② 表示允许 , 意为 “ 可以;能够 ” 。 eg : You can't go now. 现在你不能走。 Can I use your car ?我可以用你的车吗? ③ 表示委婉地邀请或向别人征求意见。 eg : Can you come to my house ?你能到我家里来吗? ④ 表示推测 , 意为 “ 可能 ” 。 eg : This can't be true. 这不可能是真的。 一、单项选择。 ( )1. — Lily , ________ you finish the letter in ten minutes? —Yes , I can. (2019 , 北京 ) A . must     B . should    C . need     D . can ( )2. — May I join the art club , Dad ? (2019 , 孝感 ) —If you have interest , you ________ A . should B . can C . have to D . must D B ( )3.—Will you stay here for dinner with us? —Sorry , I ________.My mother is waiting for me at home. (2019 , 淮安 ) A . mustn't B . can't C . needn't D . couldn't ( )4.My uncle ________ come to my birthday party because of his busy work , but my aunt ________.She is free. ( 原创题 ) A . can't ; can B . can ; can't C . can ; can D . can't ; can't B A ( ) 5. — Can you go to the supermarket with me this weekend? —________ . I have to help my parents with housework. A . Sure , I'm busy B . Sure , I'd love to C . Sorry , I'd love to D . I'm sorry D 二、按要求完成下列句子。 6 . Can you come to my party on Friday ? ( 作肯定回答 ) Sure , I'd _______________ . 7 . He can go to the basketball game with his friends after 9 : 00 p . m. ( 改为否定句 ) He ____________the basketball game with his friends after 9 : 00 p . m. 8 . Can you go climbing with us this Sunday morning ? ( 改为同义句 ) ___________you __________go climbing with us this Sunday morning? love/like to can't go to Would like to 本课时其他知识点精讲精练 ► invite 动词 , 意为 “ 邀请 ” , 常用于以下结构中: ① invite sb. to sp. 邀请某人去某地 ② invite sb. to do sth. 邀请某人做某事 ► accept 动词 , 意为 “ 接受 ” , 强调主观上愿意接受 , 动作发生者本身是主动的。 【 拓展 】receive 动词 , 意为 “ 收到 ” , 强调客观收到 , 不含主语本身是否愿意接受的意思。 eg : I received his gift , but I wouldn't like to accept it. 我收到了他的礼物 , 但是我不想接受它。 ► refuse 动词 , 意为 “ 拒绝 ” , 与 accept 互为反义词。 refuse to do sth. 拒绝做某事 refuse sb. sth. 拒绝某人某物 refuse sb./sth. 拒绝某人 / 某物 1 . My sister Anna gave David a gift , but he didn't ________ ( 接受 ) it. 2 . Kitty's teacher Mrs. Xiao invited me _______ ( join ) their school trip to the World Park. 3 . I refuse ___________ ( discuss ) this question. accept to join to discuss 一、根据句意及提示完成下列句子。
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