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1、第七講祈使句【觀察一】請仔細(xì)觀察下列例句，你能補(bǔ)全結(jié)論部分所缺的內(nèi)容嗎?1.Tidyupyourroom,Sam.2?Openthedoor,Anna.3.Becarefulwhencrossingtheroad?【結(jié)論一】或要求，要對方做某事或不做某事，帶有祈使祈使句是表示向?qū)Ψ桨l(fā)出、提出語氣的句子。主語為第二人稱，但是常常被【觀察二】請仔細(xì)觀察下列例句。(A)1.Walkquickly,Tom!2.Comein,please!3.Openyourbooks!(C)1.Pmalittletired.Let'shavearest.2.Let'sgoshoppingto
2、gethe匚【結(jié)論二】(B)1-Beagoodboy,Tony.2.Bepolitewhenyouarethere.3.Becareful!(D)1.Don'tstandup.2.Don'tbelateagain,Jack.3.Don'tlethimgo!=Lethimnotgo!祈使句有肯定和否定兩種形式?？隙ㄊ接腥N常用句型:1.（+賓語）+其他成分；2.+表語（名詞或）+其他成分；3.++其他成分；否定式有兩種常用句型：1.+（+賓語）+其他成分2.++表語（名詞或）+其他成分?！居^察三】1.Pleaseturnoffyourphone.2.Comein,ple
3、ase.【結(jié)論三】在祈使句中，為了緩和語氣，使表達(dá)更委婉、有禮貌，常常在或—加上O要記住，在英語口語中，當(dāng)祈使句用來表達(dá)命令、要求時，用降調(diào)；當(dāng)祈使句用來表達(dá)鼓勵、請求，或者想使語氣委婉一些，讓人容易接受吋，通常用升調(diào)?！咀⒁狻浚涸诠矆龊系奶崾菊Z中，否定祈使句常用“No+名詞/V-ing形式”結(jié)構(gòu)，表示“禁止做某事”。例如:NOPHOTOS!禁止拍照！Noparking!【課堂練習(xí)】一、選擇最佳答案填空。)1.一PleasetoreturnmybookbyFriday.FlluseitonSaturday.-一Noproblem.Fllfinishreadingit
4、onThursday.A.don'tforgetB.nottoforget)2.lateagain,Mike!A.Don,tobeB.DoiftbeC?notforgetC.Notbe)3.Kelly,yourhomeworkheretomorrow?A.bringB?Brings)4.Please，theyrehavingameeting.A.notbesonoisyB.bequiteC.tobringC?mustifttalk)5.tomeetmeatthestation.Fllbewaitingthere.A.NottoforgetB.Notforget)6.I
5、fyouaretired,arest.A.haveB?having)7.mego.Itisveryimportantforme.A.DoletB.Letdo)8.Heisnothonest._believehim.B.DorftC.ForgetnotC.tohaveC.Doinglet二、A.Not)9.C.Tonotupearlytomorrow,oryoucan'tcatchthetrain.C.TogetA.GettingB.Get)10.inthestreet.It'sdangerous.A.NotplayB.Nottoplay)11.Pleasemesome
6、money,willyou?A.lendB.lendingC.Don'tplayC.borrow)12.Thefilmisabouttobegin.Pleaseseated.A.beB.areC.is)13.downtheradio.Thebaby5sasleepinthenextroom.A.TurningB.ToturnC.Turned)14.Lucy,thedoororsomeonewillcomein.A.closeB?closesC.notclose)15.andplayfootballinthestreetafterlunch?A.Let，snottogo
7、B?Let'snotgoC?Let'sdon'tgo用括號內(nèi)所給動詞的適當(dāng)形式填空。1.It'sanimportantmeeting.(not,be)late.2(not,make)anynoise!Yourmotherissleeping.3.(not,speak)withyourmouthfulloffoodand-D.forgetnottoD.BenotD?bringingD?nospeakingD.Don'tforgetD.hadD.TodoletD.NottoD.GotD.Don'ttoplayD.borrowingD.beingD.Tur
