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2019年春七年级英语下册Unit4Don’teatinclass第2课时SectionAGrammarFocus_3c课件新版人教新目标版.pptx

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七年级英语下册Unit 4 Don’t eat in class课件与练习（共13套人教新目标版）
- 2019年春七年级英语下册Unit 4 Don’t eat in class课件与堂练习（共13套）人教新目标版

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Unit 4 　 Don't eat in class. 语法精讲基础自测阅读提升第 2 课时　 Section A (Grammar Focus—3c) 一、祈使句 1 ．含义：祈使句是用来表示请求、命令或建议等的一种句型。其主语一般为第二人称 you ，但通常省略。祈使句的句末一般用句号，表示较强语气时用感叹号。为了使祈使句显得更委婉、有礼貌，可在开头或结尾加上 please 。 2 ．祈使句的五种类型 Do型祈使句实义动词原形＋其他 Listen to me，please. 请听我说。 Be型祈使句 be 动词＋其他 Be quiet，please. 请安静。 Let型祈使句 Let＋sb.＋动词原形＋其他 Let's play football. 让我们踢足球吧。 Please型祈使句 Please＋动词原形＋其他 Please stand up. 请起立。 Please don't stand up. 请不要起立。 No型祈使句 No＋ v ．－ing/名词！(表示禁止) No smoking! 禁止吸烟！ No photos! 禁止拍照！ 3 .祈使句的否定形式通常是在谓语动词前加don't。但要注意以let开头的祈使句，其否定形式是 “Don't＋let＋宾语＋动词原形＋其他．”或“Let＋宾语＋not＋动词原形＋其他”。 4．对祈使句的基本回答： ( 1 )A：Tom, take the box to Mr.Wu's office. B：肯定回答——Yes, I will. 否定回答——Sorry, I can't carry it. ( 2 )A：Don't listen to music in class. B：No, I won't.(用于自己之前没做过，同时也表明自己今后也不会做时)或Sorry, I won't do it in future.(用于自己犯错，被别人禁止时) ( 3 )A：Let's go out for a walk.(“Let's do sth.”常用于提出建议) B：肯定回答——That's a good idea.或That sounds good.(直接表示赞同) 否定回答——Oh, no.It's too hot.或Oh, no.Let's watch TV at home.(可用“No”作否定回答，并适当解释或提出自己的见解)祈使句一般要对方去做的动作是在将来发生。肯定回答时常用“Yes, I will”；否定回答时常用“No, I won't”等。will为“将要”之意，won't为will和not的缩写形式，为“将不；将不会”之意。二、情态动词can与have to 1．can能；会 ( 1 )表示做某事的能力，其否定式为can't。如： Can you speak English? 你会讲英语吗？ ( 2 ) 表示“允许；许可”。如： You can keep the book for a week. 这本书你可以借一周。 2．have to必须；不得不其后接动词原形。have to有第三人称单数形式，即has to，变疑问句和否定句时要借用助动词do/does。如： We have to go home after school. 我们放学后必须回家。 Ⅰ.用括号内所给单词的适当形式填空。 1．__ __________ __(not play) with fire(火)． 2．Don't __ ______ (run) in the classroom. 3．Let himnot__ _________ __ (not play) the computer games. 4．Can we __ ______ (eat) here? 5．Do you have to _ __ ___ _(go) to bed before ten at night? Don't play run not play eat go Ⅱ.根据汉语意思完成句子，每空一词。 1．到这儿来。 ______ ________． 2．别在走廊里跑。 _______ _____ in the hallways. 3．快点！ _____ _______！ 4．不要在这儿吃东西。 _______ ______ here. 5．让我们骑自行车到那儿吧。 ______ _____ the bike to get there. Come Don't Be Don't Let's here run quick eat ride Ⅲ.按要求完成下列句子，每空一词。 1．Lily can play the guitar.(改为一般疑问句并作否定回答) —________ Lily _ ______ the guitar? —No , she _ _______ ． 2．Jack has to play the piano every weekend.(改为一般疑问句) _ _______ __ Jack ______ _ ____ _ play the piano every weekend? 3．Be quick.(改为否定句) _______ _ _____ quick. 4．You can't eat food in class.(改为祈使句) __ _____ _ _____ food in class. 5．You can't be late for class next time.(改为祈使句) __ ____ _ ______ late for class next time. Can Play can't Does have Don't Don't Don't to be eat be Ⅳ.单项选择。 ( ) 1. ________ listen to music in the classroom. A．Not B．No C．Don't D．Doesn't ( ) 2. Tom，please ________ the classroom now. A．clean B．to clean C．cleans D．cleaning ( ) 3. Let's ________ on time for classes. A．be B．be not C．are D．is C A A B ( ) 4. She has to ________ her homework every night. A．does B．do C．doing D．did ( ) 5. Sorry，you ________ play basketball in the classroom. A．can't B．don't C．don't have to D．doesn't A Dear Sam ， Here are some __ 1 __ for you when your dad and I are not at home.__ 2 __ ， get home early.Don't play __ 3 __ after school.Second ， take care of( 照顾 ) your brother and don't __ 4 __ with him.Third, help your grandma do the __ 5 __ after dinner. fight 　 dirty 　 dish 　 rule 　 before follow 　 outside 　 keep 　 one 　 practice Ⅴ . 选词填空。阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。每词限用一次。 Fourth ， remember to __ 6 __ the piano for one hour every evening.Fifth ， go to bed __ 7 __ 10 o'clock.The last one, __ 8 __ your room clean and don't leave your __ 9 __ clothes everywhere.Your dad and I will be very happy if you can __ 10 __ the rules. 1 ． ______ 　 2 ． ______ 　　 3 ． _________ 4 ． ______ 　 5 ． _______ 　　 6 ． _________ 7 ． _______ 　 8 ． ______ 　　 9 ． _______ 10．_______ rules First outside fight dishes practice before keep dirty follow 查看更多

2019年春七年级英语下册Unit4Don’teatinclass第2课时SectionAGrammarFocus_3c课件新版人教新目标版.pptx

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