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,(一)要点注意: 1、反意疑问句前后两部分谓语应是:“肯定陈述否定疑问”或“否定陈述肯定疑问”。 2、简略问句如果是否定式:not应与be,do,will等系动词、助动词、情态动词缩写。 3、简略问句的主语不用名词,应用人称代词。 4、陈述部分含“too.to”时,是否定句。 (二)用法: 1) 陈述部分I am时,疑问部分要用 arent I. Im as tall as your sister,arent I? (我和你姐姐一样高,对吗?),2) 陈述部分用 no, nothing, nobody, never, few, little, seldom, hardly等否定含义的词时,疑问部分用肯定含义。 如:The old man made no answer, did he? Jim is never late for school, is he? think引导的宾语从句: A.主语是第一人称 I dont think he is bright, is he? We believe she can do it better, cant she? B. 如果主语不是第一人称则疑问部分与主句相对应构成反意疑问句 He thought they were wrong, didnt he? (不能说werent they?),10) 省去主语的祈使句的反意疑问句,疑问部分用will you? Dont do that again, will you? Go with me, will you / wont you? 11) Lets 开头的祈使句,后用shall we(或用shant we) ? 而Let us 开头的祈使句,后用will you(或wont you)? Lets go and listen to the music, shall we(或用shant we)? Let us wait for you in the reading-room, will you (或wont you)? 12) 陈述部分是“there be“结构的,疑问部分用there。 There is something wrong with your watch, isnt there? There will not be any trouble, will there?,二、 典型例题 ( )1. Dont forget to give Polly some food and change her water, _? A. shall we B. will you C. wont you D. do you ( )2. There is little juice in the glass, _? A. is there B. isnt there C. is it ( )3. -Hes seldom late for school, _? -No. He is used to going to school early. A. isnt he B. has he C. hasnt he D. is he ( )4.-This bus is always late, _? -Sure, it is. A. is not it B. isnt it C. isnt the bus D. doesnt it (,( )5.-Youre new here, _? -Yes, Im from Dujiangyan. I came here last week. A. do you B. dont you C. are you D. arent you ( )6. You used tobeoutgoing, ? A. do you B. dont you C. didnt you D. did you ( )7. He has never watched such an important match , _ he? A. hasnt B. has C. is D. isnt ( )8.They have to work atonce,_they? A. have B. havent C. do D. dont (,)9. She often feels tired,_ she? A. doesnt B. does C. is D. isnt ( )10. Lets take a short rest, _? A. do we B. arent we C. will you D. shall we ( )11. Hundreds of people lost their lives in the accident,_ they? A. dont B. didnt C. do D. did ( )12. -Lily didnt come to,)13.-She isnt a teacher, is she? -_. She works in a hospital. A. A.No, she is B. Yes, she is. C. No, she isnt. D. Yes, she isnt ( )14.Lily looks like Lucy,_? A. is Lily B. isnt she C. does Lilly D. doesnt she ( )15.Tom often has lunch at school,_? A. doesnt Tom B. doesnt he C. does Tom D. doesnt he,Uiforms should be dressed in shcools.,Too fat isnt allowed.,Cooking should not be allowed.,I agree.They are old enough.,被动语态,定义:表示主语是动作的承受者. 构成:助动词be+动词的过去分词(done)。助动词有人称、时态和数的变化。 含有情态动词的被动语态:情态动词be及物动词的过去分词。 用法:当我们不知道谁是动作的执行者,或者没有必要指出谁是动作的执行者,或者只强调动作的承受者时,要用被动语态。,1.规则动词的过去式:,1)一般情况在动词原形后加-ed,watch-watched,2)以不发音e结尾的加-d,practice-practiced,3)以辅音加y结尾的,去y变i加-ed,study-studied,4)以重读闭音节结尾,末尾只有一个辅音字母, 先双写该辅音字母,再加-ed,stop-stopped,2.不规则动词的过去分词:,have,has,had,do,done,write,writen,go,gone,speakspoken,The telephone _(invent) by Bell in 1876. The trees may _(plant) in spring. Teenagers should not _(allow) to drive. English _(speak) in Canada. Math must _ (study) well.,exercise,( ) 1 English _ in Canada. A. speaks B. are spoken C. is speaking D. is spoken ( ) 2 This English song_ by the girls after class. A. often sings B. often sang C. is often sang D. is often sung ( ) 3 This kind of car _ in Japan. A.makes B. made C. is making D. is made ( ) 4. New computers _ all over the world. A. is used B. are using C. are used D. have used 2,grammar focus,homework,A: Do you think teenagers should B: Yes, I do. I think /No, I dont. I think ,Unit 3,Teenagers should be allowed to choose their own clothes,Go for it J9,Section A,1a-2c,Teaching aims:,1.Practice listening skills . 2.强化对被动语态的理解特别是“should (not) be allowed to do “这样含有情态动词的用法。 3.Grasp the following words : stop/wear,dress,put on,be in , have on/instead of 4.Talk about your opinions using “agree“and “disagree“,Review:practice“should be allowed to do “,Think about the rules in our school or at home Then make sentences . Work in groups Two minutes. Which group can write most?,RULES,Telephones are not allowed take in our shcools. Computer games should not be allowed to play in middle shcools. Falling in love at an early age isnt allowed .,GO for it!,Listen to tapes carefully !,用wear,put on, dress填空,1.After my mother _my brother and left. 2.Mother told me to take off the coat and _a new one. 3.How do people usually _ in the office. 4.I cant recognise you.Youre _ a glasses. 5.She _ red clothes today.,_,( ) 1.Our room must _ clean. A. keep B. be kept C. to be kept D. to keep ( ) 2-I
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