牛津譯林版八年級英語上冊同步講義Unit 4 Do it yourself 第 3 課時 Grammar（學生版）

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第1課時comicstrip&Welcometotheunit

八年級英語上冊同步精品講義（牛津譯林版）

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祈使句

當我們向他人發(fā)出命令，提出要求或建議時，常使用祈使句。祈使句的祝愿時you（聽話人），通常不明

確表示出來。

句式結構例句

D。型：動詞原形（+賓語）+其他成分。Haveaseathere.這邊坐。

肯定句Be型：Be+n/adj+其他成分。Beagoodchild!要做一個好孩子！

Let型：Let+賓語+動詞原形+其他成分。Letmehelpyou.讓我來幫你。

Do型和Be型均在句首加Don't構成。Don'tbelatefbrschool!上學不要遲到！

Let型的否定形式有兩種：Don'tlethimgo.

否定句

Don，t+let+賓語+動詞原形+其他成分。=Lethimnotgo.

Let+賓語+not+動詞原形+其他成分。

祈使句+willyou/won'tyou?Openthewindow,willyou?

Letus不包括聽話者在內，指示對聽話者Letusplaywithsnow,willyou?

反義疑問句說，反義疑問句的主語仍然為you讓我們玩雪，好嗎？

Let's是表示第一人稱的祈使句，包含說Letusplaywithsnow,shallwe?

話者，所以反義疑問句的主語為we.咱們玩雪吧，好嗎？

派（1）有的祈使句在意思明確的情況下，動詞可省略。

Thisway,please.=Gothisway,please.

（2）有些祈使句可用No開頭，用來表示禁止。

Nosmoking噤止吸煙！

（3）為了使祈使句聽來比較客氣，委婉，除了用please外，句末還可用willyou。

Readthetext,willyou?讀一下這篇文章，好嗎？

(4)在祈使句的前面加上do可以加強語氣，有makesure(一定，務必)的意思。

Doremembertocallme.

(5)祈使句的答句常用一般將來時。

一Don'tsmokehere.

—Sorry,!won't.

能力拓展

一、完成句子

1.that,me,shirt,pass,to

2.（綁）theyoungtreestothestickstopreventthemfromfalling.

3.一Johninvitedmetogototheshowwithhim.Ireallydon'twanttogo.

-Thenjustsaysorryand______him.Don'tacceptanythingyoudislike.

4.快點，否則我們要遲到了。

,orwewillbelate.

5.讓我們用這些單詞編一個故事。（詞數(shù)不限）

Let'sastorywiththewords.

fii分層提分

題組A能力提升練

6.Obeythetrafficrules,you'llbepunished.

A.butB.whileC.tillD.or

7.一Don'tforgettowearschooluniformsonMondaymorning.

A.OK,Iwill.B.No,Iwill.C.OK,Iwon't.D.Yes,Iwon,t.

8.Ifstimeforsupper.Lefsit.

A.stophavingB.stoptohave

C.tostoptohaveD.tostophaving

9.awayfromthelake,boys.Itisdeep.

A.StaysB.StayC.StayingD.Tostay

10.playwithfire.withfireisdangerous.

A.Don't;PlayingB.Not;PlayingC.Don't;PlayD.Notto;Toplay

11.wakeupyoursister,Ben.Sheneedsagoodsleep.

A.Don'tB.Doesn'tC.Aren'tD.Can't

12.——Hisfriendwantstogoswimmingifsveryhot.

—It'sOK.Butallowhimtodothatalone!

A.so;notB.so;don'tC.because;notD.because;don't

13.一Topreparefortheschooltriptomorrow,whatshouldIdo,mum?

anumbrellawithyouanditwillbeusefulwhenitrains.

A.TakingB.TotakeC.TakeD.Took

14.lateagain,Bill!Oryouwillmissthewonderfulfanmeeting.

A.Don*ttobeB.Don'tbeC.NotbeD.Benot

15.Whynotfillourlifewith?Behappyandeveryday!

A.happy;smileB.cheer;smilingC.cheerful;smilingD.joy;smile

16.ontheicon,andyouvisitAsiaandAfricainonlytwohours!

A.Click;willB.Toclick;canC.Clicking;/D.Toclick;/

17.Smileattheworld,theworldwillsmilebackatyou.

A.butB.andC.asD.or

18.一Pleasedon'tforgettoclosethedoorwhenyouleavetheroom.

A.No,Iwon'tB.No,IwillC.Yes,Iwon'tD.Yes,Iwill

19."Putonyourcoat,youwillcatchacold!”Thisiswhatmymotheroftensaystome.

A.andB.butC.orD.so

20.一Mike,offthelightswhenyouleavetheclassroom.

—OK,Mr.White.

A.turnB.turnsC.toturnD.turning

21.一Remembertheclassroomafterschool.

—OK.I.

A.cleaning;doB.toclean;doC.cleaning;willD.toclean;will

22.一I'mleavingnow.

-youturnoffthelightsandthecomputer.

A.MakesureB.TomakesureC.FindoutD.Tofindout

23.一Don'tforgettowearschooluniformsonMondaymorning.

A.OK,IwillB.No,IwillC.OK,Iwon'tD.Yes,Iwon't

24.一Canyoutellmethewayofmakingabananamilkshake?

一Yes.First,threebananas.

A.peelingB.peelC.topeelD.peels

25.Getupearlytomorrow,youwillmisstheschoolbus.

A.andB.orC.so

題組B培優(yōu)拔尖練

26.Hurryup,youcan'tcatchtheearlybus.

A.soB.andC.or

27.Don't.Whensomethingyou,youcanaskmeforhelp.

A.beworry;worriesB.worried;worriesC.worry;isworriedD.worry;worries

28.一Pleasedon'ttella