Imperativesentence祈使句ObservethecharacteristicsofthesentencesandthenmarktheverbsDon’tworryaboutit.TakeLine6.ChangeforSubwayLine2atZhuquemenstation.GetoffatZhonghuaSquarestation.TakeExitB..祈

使

句

六

句

型1.Do型

Shutup,please!閉嘴Stoptalking!別說(shuō)話了！2.Be型

Bequiet!

安靜！Becareful!小心！Beagoodman.好好做人吧。3.Let型

Let’sgoswimming!讓我們?nèi)ビ斡景桑etmealone.讓我靜會(huì)。4.No型

Nosmoking!Noparking!Noentrance!Nophotos!禁止拍照！5.省略型主要是以形容詞、副詞、名詞構(gòu)成的祈使句。Careful！(小心！)Quickly！(快點(diǎn)吧！)Eyesfront！(向前看！)6.強(qiáng)調(diào)型（Do+動(dòng)原）

Docome,please!請(qǐng)一定來(lái)Dolistentoyourteacher!一定要聽(tīng)老師的否定祈使句：1.Don’t/Never+動(dòng)詞原形

Don'ttouchme!不要碰我Don'tbesonervous!別那么緊張Neverdothatagain!別再那么做了2.Let...notdo...=Don’tlet...do...Let'snotargueit.我們別爭(zhēng)論這個(gè)了=Don’tlet'sargueit.Lethimnottalk.讓他別說(shuō)話了。=Don’tlethimtalk.Letmenotbealone.=Don’tletmebealone.祈使句的省略Justafewplease.請(qǐng)給幾個(gè)就行了。Alittlemoreslowlyplease.再慢一點(diǎn)。Apoundofbutter.給我一磅黃油。Twoteasandfourcoffees,please.Twomore,please.Amoment,please.請(qǐng)稍等！Do+動(dòng)詞原形表強(qiáng)調(diào)祈使句以do開頭，則表示強(qiáng)調(diào)DowhatItoldyou.照我說(shuō)的做Dogivemeacall.一定給我打電話Dobequietamoment.一定要安靜一會(huì)兒Docome,please!請(qǐng)一定來(lái)Dotellherthething.務(wù)必告訴她此事Dobecareful!一定要小心Dolistentoyourteacher!一定要聽(tīng)老師的話Tips(1)用客氣的語(yǔ)氣表示祈使句時(shí)，可在句首或句尾加上please，但如果在句尾加please，那在please之前一定要加一個(gè)逗號(hào)“，”。例：Gothisway，please.請(qǐng)這邊走。(2)祈使句中如果有喚語(yǔ)，一定要用逗號(hào)“，”隔開，放在句首或句尾。LiMing，comehere.李明，過(guò)來(lái)。Comehere，LiMing.過(guò)來(lái)，李明。祈使句因?qū)ο螅粗髡Z(yǔ)）是第二人稱，所以通常都省略。祈使句的動(dòng)詞都為原形，句末則使用句號(hào)來(lái)表示結(jié)束。例：Goandwashyourhands.（去洗你的手?！睿〣equiet,please.（Pleasebequiet.）（請(qǐng)安靜?！?qǐng)求）Bekindtooursister.（對(duì)我們的姐妹們要和善?！?jiǎng)窀妫￤atchyoursteps.（走路小心?！妫㎜ookout！Danger！（小心！危險(xiǎn)！——強(qiáng)烈警告，如感嘆句）Keepoffthegrass.（勿踐草坪?！梗㎞oparking.（禁止停車?！梗㎞oeatingordrinking.(禁止吃喝?！?Nolittering.(禁止亂扔垃圾?！?祈使句也常把主語(yǔ)“You”表達(dá)出來(lái)，主要是強(qiáng)調(diào)對(duì)象，確定對(duì)象。例如：Yougoandtellhim,Kris.祈使句示例相關(guān)口訣祈使句無(wú)主語(yǔ)，主語(yǔ)you常省去；動(dòng)詞原形當(dāng)謂語(yǔ)，Don't句首變否定；朗讀應(yīng)用感嘆調(diào)，句末常標(biāo)感嘆號(hào)。句型轉(zhuǎn)換A、祈使句與陳述句的改寫(1)祈使句=Youmust…（陳述句）Comehere.過(guò)來(lái)。=Youmustcomehere.你必須過(guò)來(lái)。(2)Please+祈使句=Willyou(please)～?（陳述句）Pleasehelpme.請(qǐng)幫幫我。=Willyou(please)helpme你愿意幫我的忙嗎？Comehereontime,please.請(qǐng)準(zhǔn)時(shí)到這兒。=Willyou(please)comehereontime請(qǐng)你準(zhǔn)時(shí)到好嗎？(3)含有第一、第三人稱主語(yǔ)的祈使句Let‘ssaygood-byehere.我們?cè)诖说绖e吧。Don'tlethimdothatagain.別讓他再那么做了..B、祈使句與條件句祈使句有時(shí)相當(dāng)一個(gè)“if”引導(dǎo)的條件狀語(yǔ)從句。祈使句：Useyourheadandyou'llfindaway.條件句：Ifyouuseyourhead，you'llfindaway.句型轉(zhuǎn)換C、祈使句的反意疑問(wèn)句形式（1）Let's表示說(shuō)話人向?qū)Ψ教岢鼋ㄗh，簡(jiǎn)短問(wèn)句的主語(yǔ)用we表示，問(wèn)句用shallwe或shan'twe。如：Let'shaveacupoftea,shallwe(shan'twe)（2）Letme或Letus表示聽(tīng)話人提出請(qǐng)求，問(wèn)句用willyou或won'tyou.Letmehavearest,willyou(won'tyou)句型轉(zhuǎn)換注意回答Let's～的反意疑問(wèn)句句型時(shí)，肯定時(shí)用Yes，let''s.否定時(shí)用NO，let''snot.其它的祈使句后可以加一個(gè)簡(jiǎn)短問(wèn)句，使語(yǔ)氣變得客氣一些.如：Havearest,willyou.Standup,will(won't)you.Lookandmatch.看以下標(biāo)志，將其與對(duì)應(yīng)的指令相匹配。______1)Becarefulwiththewetfloor.______2)Pleasedon’tknockonthedoor.______3)Washyourhandsproperly.______4)Donotenter.ACDB一、判斷下列句子，是祈使句的在括號(hào)中寫“T”，不是的寫“F”。1.Takeoffyourjacket.()2.Let’splaygames.()3.Howbeautifulthegirlis!()4.Whataninterestingmovieitis!()5.Drinksometea,please.()6.Don’tplayfootballintheclassroom.()參考答案：1.T2.T3.F4.F5.T6.T二、單項(xiàng)選擇。()7.Bequick!________lateforclass.A.Don’tbeB.NotbeC.BenotD.Be()8.Let’s________theclassroom.A.cleanB.cleaningC.tocleanD.cleaned()9.Heisnothonest._______believehi