单击此处编辑母版标题样式,单击此处编辑母版文本样式,二级,三级,四级,五级,语法点集中攻坚,模块要点大本营,模块一法练写作,Unit 3,Safety,语法点集中攻坚模块要点大本营模块一法练写作Unit 3 Sa,1,祈使句的构成、意义及运用,祈使句表示命令、请求、建议或劝告等等。通常省略主语，谓语动词用原形，句末用感叹号或句号，读降调。,考点,1,祈使句,的结构,1.Do,型,(,即：行为动词宾语其他,),Stand up,，,please.,请起立。,考向一,肯定,祈使句,的类型,语法点集中攻坚,祈使句的构成、意义及运用考点 1祈使句的结构1.Do型(即：,2,2.Be,型,(,即：,Be,表语其他,),Be quiet,，,please.,请安静。,3.Let,型,(,即：,Let,宾语动词原形其他,),Let me help you.,让我帮助你。,Please _ here earlier!We dont want to miss the last bus to the library.,A.arrive B to arrive C.arriving D.arrives,【,点拨,】please,开头的祈使句，后跟动词原形。,典例,A,2.Be型(即：Be表语其他)Be quiet，plea,3,考向二,【,重点,】,否定祈使句的类型。,1.Dont,动词原形,eg,：,Dont open the window.,不要开窗户。,Dont be late.,别迟到。,考向二【重点】否定祈使句的类型。1.Dont动词原形,4,【,点拨,】,分析句子结构知，空格所在句为祈使句，,祈使句,是用动词原形开头的，否定句用,Dont,。,_ run in the hallways,Mike.,Sorry,Ms.Clark.,湘西,A.Dont B.Please C.No,典例,A,【点拨】分析句子结构知，空格所在句为祈使句，祈使句是用动词原,5,_tell a lie.,A.Hardly,B.Not,C.No D.Never,【,点拨,】,此题用,分析句子结构法,。由句意“不要撒谎。”可知为否定祈使句。否定祈使句类型有：,Dont,动词原形；,No,名词,/,动名词；,Never,动词原形。只有,D,项符合用法。,典例,D,2,Never,动词原形,eg,：,Never give up!,千万不要放弃！,_tell a lie.【点拨】此题用分析句子,6,3.No,名词,/,动名词其他，这种形式多用于公共场,合的提示语，意为,“,禁止,”,。,eg,：,No smoking,！禁止吸烟！,No photos,！禁止拍照！,4,Let,引导的祈使句的否定形式是：,Let,宾语,not,动词原形其他成分；也可在,let,前加,Dont,。,Lets,开头的祈使句，必须在,Lets,后加,not,。,eg,：,Let him not play.,Dont let him play.,别让他玩。,Lets not tell him about it.,咱们别告诉他这件事。,3.No名词/动名词其他，这种形式多用于公共场,7,考点,2【,难点,】,祈使句的相关句型转换,考向一,“Lets,动词原形”结构，表示提建议，可与“,Shall we,动词原形”或“,Why not,动词原形”相互转换。,eg,：,Lets go fishing.,Shall we go fishing,？,Why not go fishing,？,都表示提议“我们去钓鱼吧”。,考点 2【难点】祈使句的相关句型转换考向一“Lets动词,8,考向二,“祈使句,and/or,简单句”可以转换为含,if,引导的条件状语从句的复合句。,eg,：,Hurry up,，,or you will be late.,If you dont hurry up,you will be late.,快点，否则你会迟到。,考向二“祈使句and/or简单句”可以转换为含if引导的,9,Tell him the truth at once,or he will be angry.(,改为主从复合句,),_ _ dont tell him the truth at,once,he will be angry.,天水,【,点拨,】“,祈使句,+and/or+,陈述句”结构可转换为,带有,“,ifnot”,条件句的主从复合句。,典例,If you,You cant play the guitar in the classroom.(,改为祈使句,),新疆,_ _ the guitar in the classroom.,【,点拨,】,祈使句,以动词原形开头，变否定句在前面,加,dont,。,典例,Dont play,Tell him the truth at once,or,10,一、,用所给词的适当形式填空,1,Your mother is waiting for you._(not be)late.,2,_(look)out!The car is coming!,3,(,宿迁,)Dont_(drop)litter everywhere.,Always keep our school clean.,4,_(give)me ten minutes and see what it will be like.,5,(,中考,滨州,)_(not smoke)here,，,Rick.,Smoking is not allowed in public places.,6,Lets_(not say)anything about it.,Dont be,Look,drop,Give,Dont smoke,not say,一、用所给词的适当形式填空Dont beLook dro,11,【,点拨,】,固定句型法,。,Please,加动词原形开头为祈使句，属固定句型。,二、单项选择,7,(,上海,)Please _ your exam papers once again before handing them in.,A,going over B,went over,C,go over D,to go over,C,【点拨】固定句型法。Please加动词原形开头为祈使句，属固,12,【,点拨,】,考查祈使句的否定形式。由句子意思“吉姆，当你在路上走着的时候不要看书。这很危险。”可知选,A,。,8,(,中考,扬州,)Jim,_ read books while you are walking in the street.Its very dangerous.,OK,thank you.,A,dont B,doesnt C,wont D,cant,A,【点拨】考查祈使句的否定形式。由句子意思“吉姆，当你在路上走,13,【,点拨,】,考查否定祈使句和动名词作主语的用法。句意为：不要玩火。玩火是危险的。前一句否定祈使句用,Dont,动词原形构成，排除选项,B,、,D,；后一句中有动词,is,，动名词或动词不定式可放在句首充当句子主语，所以可以用动名词,playing,或不定式,to play,，故选,A,。,9,(,中考,梅州,)_play with fire._with fire is dangerous.,A,Dont,；,Playing B,Not,；,Playing,C,Dont,；,Play D,Not to,；,To play,A,【点拨】考查否定祈使句和动名词作主语的用法。句意为：不要玩火,14,【,点拨,】,考查祈使句的否定形式。运用,前后照应法,来做。这是一道陷阱题。看到,worry,，往往会不假思索地写出,Dont worry,，但是稍微注意就会发现这里是,worried,，是形容词，所以不要忘记用,be,动词，故选,B,。,10,(,长春,)_along the street,and you can find the hotel on your right,，,next to the market.,A,Walk B,To walk C,Walks D,Walking,11,_worried about me,Mom.Im 15 years old now.A,Dont B,Dont be C,Not D,Not be,A,B,【点拨】考查祈使句的否定形式。运用前后照应法来做。这是一道陷,15,12,(,中考,黄石,)Im leaving for Xisai Mountain this afternoon.,_you have packed everything.,A,To be sure B,Been sure,C,Being sure D,Be sure,13,(,中考,眉山,)_swim alone in the river,_,？,A,Not,；,dont you B,Not,；,do you,C,Dont,；,will you D,Dont,；,shall we,【,点拨,】,考查祈使句的反意疑问句。此类祈使句的否定句，在动词原形前加,dont,，反意疑问句用,will you,。故选,C,。,D,C,12(中考黄石)Im leaving for Xis,16,【,点拨,】,考查日常交际用语。,Excuse me,意为“打扰了”；,Thats all right,意为“没关系”；,Sorry,意为“对不起”；,It doesnt matter,意为“没关系”。根据语境，故选,C,。,14,(,中考,徐州,)Please dont throw paper on the ground.,_,，,I wont.,A,Excuse me B,Thats all right,C,Sorry D,It doesnt matter,C,【点拨】考查日常交际用语。Excuse me意为“打扰了”；,17,15,Lets go out for a walk,，,_,？,A,do we B,will you,C,shall we D,wont you,【,点拨,】,考查,Lets,祈使句的反意疑问句。,Lets,后边的反意疑问句，常用,shall we,。但是以,Let us,开头的祈使句，反意疑问句一般用,will you,。故选,C,。,C,返回,15Lets go out for a walk，_,18,模块要点大本营,People always think about,s,1.But many,s,2 accidents,h,3 in peoples homes.People can prevent certain accidents.Many accidents happen because people are,c,4.So be,c,5.,Here are some safety tips for preventing accidents in the kitchen.,Dont stand on chairs.Many people hurt,t,6 by falling off chairs.,afety,erious,areless,areful,hemselves,appen,模块要点大本营 People always thin,19,Dont use water to put out kitchen fires.Use baking soda or,s,7,i,8.,Be careful with,k,9and scissors.Many people cut themselves in the kitchen.,Be careful with fire and,h,10 when you cook.You dont want to,b,11 yourself.,alt,nstead,eat,nives,urn,返回,Dont use water to put out ki