高中英语 Module 2 Grammar课件 外研必修4.ppt
外研版外研版高一年级高一年级(必修必修4)Module 22021/8/11 星期三1Grammar:ImperativesGrammar:Imperatives2021/8/11 星期三2祈使句祈使句表示命令表示命令,请求请求,建议建议,劝告或号召的句劝告或号召的句子叫做祈使句。祈使句可分为第二人称祈子叫做祈使句。祈使句可分为第二人称祈使句和第一使句和第一,三人称祈使句三人称祈使句。祈使句的主祈使句的主语为语为 you,通常省略通常省略,谓语动词使用原形谓语动词使用原形,句末用感叹号或句号句末用感叹号或句号。祈使句的主语为第祈使句的主语为第一一,三人称句子结构为三人称句子结构为:Let+动词原形动词原形+其他成分或其他成分或Lets+动词原形动词原形+其他成分其他成分。2021/8/11 星期三3例句例句:主语为第二人称主语为第二人称(1).Switch off the motor.(2).Follow the rules of the road.(3).Dont leave the light on.2021/8/11 星期三4主语为第一主语为第一,三人称三人称Let me see.Let her come here at eight oclock.Let us help you tidy your room.Lets have a break.2021/8/11 星期三51.祈使句的否定式祈使句的否定式:第二人称祈使句一般第二人称祈使句一般在句首加在句首加dont;第一人称祈使句一般在人第一人称祈使句一般在人称代词后加称代词后加not;第三人称祈使句一般在句第三人称祈使句一般在句首加首加dont。有时为了加强祈使句的语气有时为了加强祈使句的语气,可以在谓语可以在谓语动词前加动词前加do。例如：例如：Dont be late again.Dont let her be alone.Let us not talk of that matter.Do study hard at school.2021/8/11 星期三62.加强祈使句的语气：加强祈使句的语气：有时为了使语气更有时为了使语气更委婉，可以使用委婉，可以使用Will/Would/Could you+动词原形、在句末加动词原形、在句末加please、在句末加、在句末加will you/shall we、Why not/Why dont you+动词原形、动词原形、Youd better+动词原形、动词原形、I suggest.等。例如：等。例如：Would you come to dinner with me tonight?2021/8/11 星期三73.祈使句表祝愿的方式：祈使句表祝愿的方式：Success to you!Wish you a good journey.May you have a happy marriage.Heres to your success!Allow me to propose a toast to our friendship!2021/8/11 星期三84.含含let 的祈使句：的祈使句：Let somebody v/adv.Lets be friends.Let me have a try,will you?Let him in,please.2021/8/11 星期三95.不用动词开头的祈使句。不用动词开头的祈使句。To pumps,every one of you!To the airport,taxi!Down with the pens!No smoking!No parking!No spitting!No litter!No admittance except on business!2021/8/11 星期三10用祈使句完成下列句子。用祈使句完成下列句子。1._ on the pavement.2._ in the bicycle lanes.3._ at red traffic lights.4._ the rules of the road.Dont go Stay Stop Keep break go keep look ride stop stay watch out2021/8/11 星期三11 5._ for pedestrians.6._ behind you before you turn right or left.7._ in the middle of the road.Look Watch out Dont ride2021/8/11 星期三121.Stand over there _ youll be able to see it better.A.or B.while C.but D.and 2.Ive never seen anyone run so fast-_ David go.A.just watch B.just to watch C.just watching D.just having watchedDA2021/8/11 星期三133.Let us pass,_?A.shant we B.shall we C.wont we D.will you 4.Wait a minute,_?A.shall you B.will you C.do you D.dont you DB2021/8/11 星期三145.Alice,you feed the bird today,_?But I fed it yesterday.A.do you B.will you C.didnt you D.dont you 本题中本题中Alice 并不是句子的主语并不是句子的主语,而是而是祈使句祈使句,为了引起对方的注意。为了引起对方的注意。2021/8/11 星期三156._ down the radiothe babys asleep in the next room.A.Turning B.Turned C.Turn D.To turn 祈使句以动词原形开头。祈使句以动词原形开头。2021/8/11 星期三167.How about a film tonight?_ I havent been to the cinema for a long time.A.Yes,thanks B.Why not?C.No,go away D.Its a pity.-今晚去看电影怎样今晚去看电影怎样?-为什么不呢为什么不呢?我很久没去过电影院了。我很久没去过电影院了。2021/8/11 星期三178.Youd better not smoke here,_?A.will you B.shall you C.have you D.had you 有有had better 的句子构成反意疑问句的句子构成反意疑问句,用用had 构成。构成。2021/8/11 星期三189.Dont forget to phone me,_?A.do you B.neednt you C.wont you D.will you 否定祈使句的反意疑问句用否定祈使句的反意疑问句用will 构成。构成。2021/8/11 星期三1910.Lets have a cup of tea,_?A.shall you B.will you C.shall we D.wont you 以以lets 开头的祈使句用开头的祈使句用shall we,以以let us开头的祈使句用开头的祈使句用 will you,构成反意疑构成反意疑问句。问句。2021/8/11 星期三20Finish the related exercises on WB.Review the the grammar of this period.Homework Homework 2021/8/11 星期三212021/8/11 星期三22
