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1、Unit 12 Dont eat in class.導(dǎo)學(xué)案一、 學(xué)習(xí)目標(biāo)、重點(diǎn)、難點(diǎn)學(xué)習(xí)目標(biāo)：1.學(xué)習(xí)情態(tài)動(dòng)詞can和have to的用法2.學(xué)會(huì)用英文表達(dá)一些標(biāo)志的含義 3.學(xué)習(xí)掌握祈使句的用法4.學(xué)習(xí)各種可以用在表述規(guī)章制度的動(dòng)詞和句型。學(xué)習(xí)重難點(diǎn)：1.情態(tài)動(dòng)詞can和have to的用法 2.祈使句的用法及應(yīng)答二、知識(shí)概覽圖話 題Talk about rules.必記單詞（Section A）fight outside else（Section B）by wash later（Section C）loudly必背短語(yǔ)（Section A）have to 不得不；必須 sports sho
2、es 運(yùn)動(dòng)鞋 in the hallways 在走廊里 arrive late for class 上課遲到 listen to music 在教室里 wear a hat 戴帽子 the music room 音樂教室 the dining hall餐廳 in school 在學(xué)校 wear a uniform 穿校服 gym class 體操課（Section B）the Childrens Palace 少年宮 no talking不許講話 on school nights在上學(xué)的晚上 too many太多的 be in bed上床睡覺 help mom make dinner幫媽媽做飯
3、 learn the piano學(xué)鋼琴 （Section C）family rules 家庭規(guī)則 ride ones bike 騎自行車wear a helmet 戴頭盔 talk loudly 大聲說話交際用We have to clean the classroom.我們必須打掃教室。Practice your guitar every day.每天練習(xí)你的吉他。We can eat in the dining hall.我們能在食堂吃東西。Dont eat in class.不要在課堂上吃東西。 Dont arrive last for class.不要上課遲到。2 / 9語(yǔ)語(yǔ) 法祈使句
4、；情態(tài)動(dòng)詞can用法三、新課導(dǎo)引教師吃東西，問學(xué)生能否這樣做，然后教師示范：Dont eat in the classrooms.四、教材精華1. Dont arrive late for class.不要上課遲到。（1）本句為祈使句的否定形式，表示“禁止做某事”，句型為“Dont+動(dòng)詞原形+其他”。Dont eat in class.不要在課堂上吃東西。（2）arrive late for為固定短語(yǔ)，意為“遲到”，相當(dāng)于be late for。Dont arrive late for the meeting.開會(huì)別遲到。2. Can we listen to music, Cindy? 辛迪
5、，我們可以聽音樂嗎？本句是情態(tài)動(dòng)詞can的一般疑問句結(jié)構(gòu)，can提前即可，用于詢問是否可以做某事。Can I watch TV?我能看電視嗎？【拓展】 can的一般疑問句的答語(yǔ)有兩種，即肯定回答和否定回答。Can you wear hats in school?你們?cè)趯W(xué)?？梢源髅弊訂幔縔es, we can./No, we cant.是的，可以戴。/不，不能戴。3. We cant listen to music in the hallways, but we can listen to it outside.我們不可以在走廊里聽音樂，但我們可以在外面聽。本句為情態(tài)動(dòng)詞can的否定句，其結(jié)構(gòu)為
6、：主語(yǔ)+cant/can not +動(dòng)詞原形+其他。We cant talk in class.我們不能在課堂上說話。4. Do you have to wear a uniform at school? 你們?cè)趯W(xué)校必須穿校服嗎？本句中的have to為固定短語(yǔ)，意為“不得不；必須”，其后接動(dòng)詞原形，有時(shí)態(tài)和人稱的變化。I have to go at once.我得馬上走。5. Mary, you dont have to wear a uniform.瑪麗，你不必穿校服。本句中的dont have to 為have to 的否定形式，當(dāng)主語(yǔ)是第三人稱單數(shù)時(shí)，dont 要改為doesnt。He
7、 doesnt have to wait for me.他不必等我。【拓展】have to 的一般疑問句是要把助動(dòng)詞do/does提前，且簡(jiǎn)略回答中也要用do/does.Do you have to wear a uniform at school?你在學(xué)校必須穿校服嗎？Yes, I do./No, I dont.是的，必須穿。/不，不必穿。五、語(yǔ)法技巧一、祈使句祈使句表示請(qǐng)求、命令、叮囑、邀請(qǐng)、勸告等。祈使句又稱無主句，其謂語(yǔ)動(dòng)詞用原形。1B型祈使句：be動(dòng)詞+其他。Be careful next time.下次要細(xì)心。2V型祈使句：動(dòng)詞原形+其他。Open the window, plea
8、se.請(qǐng)打開窗子。【注意】 這兩種祈使句變否定句在動(dòng)詞原形前加Dont。Dont open the window, please.請(qǐng)別打開窗子。3L型祈使句：Let+ sb+動(dòng)詞原形+其他。Lets go camping.咱們?nèi)ヒ盃I(yíng)吧?！咀⒁狻糠穸ㄐ问剑骸癓et sb + not +動(dòng)詞原形+其他”或者在句首加“Dont”。Let him not go swimming.不要讓他去游泳。4“No+動(dòng)詞-ing”表示禁止。No talking! 禁止說話！【注意】祈使句變反意疑問句用“will you / wont you?”；而Lets句型用“shall we?”;Let us句型用“will
9、 you?”。Dont be late for school, will you? 上學(xué)不要遲到，好嗎？Lets go for a drive, shall we? 讓我們開車去兜風(fēng)，好嗎？二、情態(tài)動(dòng)詞can的用法情態(tài)動(dòng)詞can無人稱和數(shù)的變化，過去式是could，后接動(dòng)詞原形。否定句在can后加not，疑問句將can提到句首。1.can 表示可能性，意為“可能；可以”。He can run here in five minutes.他可能五分鐘后跑到這兒。2.can表示能力，意為“能；會(huì)”。He can swim.他會(huì)游泳。3.can 表示允許，意為“可以”。You can use my c
10、ar.你可以用我的車。六、課堂檢測(cè)I.用方框中所給詞的適當(dāng)形式填空else, rule, classroom, fight, outside1. What are the _ at your school?2. The teacher is standing in the front of the _.3. The teacher asked the boys not to_.4. Its very cold _.Come in, please.5. What _ did you do?II.單項(xiàng)選擇1._ you speak Japanese?No, I cant.A. Can B. Mus
11、t C. May D. Should2.Have you seen my glasses? I _ find them.Sorry, I havent seen them.A. cant B. shouldnt C. wont D. mustnt3.Sorry for being late again._ here on time next time, or youll be punished.A. Be B. Being C. To be D. Been4. The little boy is _ fat, because he eats _ rich food.A .too much, t
12、oo much B. too much, much tooC. much too, too much D. much too, too much5. Health is very important to us. We should eat more vegetables and fruit instead of _ rich food.A. too much B. much too C. very much D. too many.句型轉(zhuǎn)換1. Lucy can play computer games. (改為一般疑問句，并作否定回答)_ Lucy _ computer games?_,sh
13、e _.2. Be quiet.(改為否定句)_3. No talking in the reading room.(同義句轉(zhuǎn)換)_ _ in the reading room.4. Let us go out for a walk, _ _?(完成反意疑問句)5. Dont smoke here, _ _?(完成反意疑問句)七、體驗(yàn)中考1.（2009重慶）Can you play the piano?Yes, I _,I often practice it on weekends.A. neednt B. need C. can D. can2.(2009北京)_ you swim?Yes,
14、 but Im not a good swimmer.A. Can B. May C. Need D. Must3.（2010杭州）Im leaving now._ you turn off the lights.A. To make sure B. Make sure C. Made sure D. Making sure4.（2010龍巖）Whos that man under the tree? Is it Mr Black, our new English teacher?It _ be. Mr Black has gone to Shanghai for a holiday.A. mustnt B. cant C. should D. shouldnt5.（2010溫州）This desk is too heavy. I move it. Could you help me?No problem.A. can B. cant C. should D. shouldnt八、學(xué)后反思 希望對(duì)大家有所幫助，多謝您的瀏覽！
英語(yǔ)：Unit 12導(dǎo)學(xué)案(人教版七下)
