英語·新課標（RJ）Unit4Don'teatinclass.英語·新課標（RJ）Unit4┃語法探究┃語法探究┃Ⅰ.祈使句祈使句指的是表示命令、請求、建議或勸告的句子。其主語you常省略，謂語動詞用原形，句末用感嘆號或句號，讀降調。1.肯定的祈使句(1)動詞原形＋其他如：Standup,please.＝Pleasestandup.請起立。(2)Be＋形容詞如：Becareful!小心！/當心！(3)Let's＋動詞原形如：Let'sgotoschooltogether.咱們一起上學去吧。英語·新課標（RJ）Unit4┃語法探究2.否定的祈使句(1)Don't＋動詞原形如：Don'tclosethewindow.別關窗。(2)Let's(Letsb)＋not＋動詞原形如：

Letthemnotplaywithfire.別讓他們玩火。(3)有些可用no開頭，用來表示禁止性的祈使句。如：Nofishing!禁止釣魚?、?情態(tài)動詞haveto和must1.情態(tài)動詞haveto和must都表示“_______”。haveto表示從_______條件上來看必須做某事；must表示說話人_______必須要做某事。如：Thereisnobus,youhavetowalkhome.(沒有公交車是客觀條件)沒有公交車了，你必須走回家。必須主觀上客觀Unit4┃語法探究英語·新課標（RJ）ImuststudyEnglishwell.(想學好英語是一種主觀想法)我必須要學好英語。2.haveto有______、______和______的變化，而must只有一種形式。如：It'sraining.Hehastostayathome.下雨了。他必須待在家中。3.在否定結構中don’thaveto表示“______”，而mustn’t表示“______”。如：

Youdon'thavetowaitforhim.你沒必要等他。

Youmustn'tplaywithfire.It'sdangerous.你禁止玩火。那很危險。人稱數時態(tài)沒必要禁止Unit4┃語法探究英語·新課標（RJ）【練習吧】()1.—CanIgotothepark,Mom?—Certainly.Butyou___bebackbeforesixo'clock.A.canB.mayC.mightD.must()2.You_____stopwhenthetrafficlightturnsred.A.canB.havetoC.needD.hadbetter()3.________comelatetoschooltomorrow!A.DoB.DoesC.BeD.Don't()4.下面哪句話是祈使句？A.Hi,there.B.Hereyouare.C.Bequick.D.SheisMary.DBDC英語·新課標（RJ）┃能力提升訓練┃Unit4┃能力提升訓練Ⅰ.完形填空TrafficrulesarealsocalledRoadSafetyrules.Theyaremadetokeeporderontheroad.Theyalsohelptokeeppeople__1__.Thepedestrian(行人)hasasmanyrulesto__2__asthedriverofacar.Youshouldwalkatthesidewalkoratthesideoftheroad.Alwayslookcarefully__3__youwalkacrossthestreet.Ifyoulikeridingabike,don'trideinthemiddleoftheroadorrunthrough__4__

trafficlights.Whenyourideabikewithafriend,don'tlookaroundortalk.英語·新課標（RJ）Unit4┃能力提升訓練Ifyoudrive,youshouldslowdown__5__thetrafficlights.Youmustalways__6__aseatbelt(安全帶)．Withoutbeltsboththe__7__andthepassengers(乘客)maybebadlyhurtinasuddenaccident.Someonemaybethrownoutthroughthewindow.Youmaynotneedtodriveabus,__8__takecare(小心)ifyouhavetotravelinone.Getonorgetoffabusonlywhenithascometoa__9__.Whenitisfull,don'ttrytogetinside__10__youmayfallover.()1.A.healthy

B．safe(安全)C．happyD．carefulB英語·新課標（RJ）Unit4┃能力提升訓練()2.A.followB．MakeC．breakD．pass()3.A.behindB．beforeC．afterD．between()4.A.yellowB．GreenC．blueD．red()5.A.inB．OnC．atD．to()6.A.takeB．WearC．carryD．bring()7.A.driverB．WorkerC．writer D．teacher()8.A.orB．ButC．andD．so()9.A.signB．stopC．corner D．crossing()10.A.andB．SoC．orD．butABDCBABBC英語·新課標（RJ）Unit4┃能力提升訓練Ⅱ.閱讀理解ANoticeintheLab(實驗室)A．Cometothelabat9：00a．m.Don'tarrivelateforclass.B．Youcan'tfightinthelab.C．Whenyoucomeintothelab,listentoyourteachercarefully(仔細地).Dowhathetellsyoutodo.D．Aftertheexperiment(實驗),youmustputeverythingback,andwashyourhandswithsoap.E.Whenyouleave(離開),youmustturnoff(關)thelights(燈),close(關)thewindows,andlock(鎖)thedoor.TheLab，Mar.26,2014英語·新課標（RJ）Unit4┃能力提升訓練根據短文內容，判斷正(T)誤(F)。()1.Youmustarrivelateatthelab.()2.Youcanfightinthelab.()3.Youmustlistentoyourteachercarefully.()4.Youcan'tusethesoaptowashyourhands.()5.Youmustturnoffthelightswhenyouleave.FFTFT英語·新課標（RJ）Unit4┃易錯點針對訓練Ⅰ.用wear，puton或dress填空1.He__________hiscoatandgoesout.2.Sheis__________aredskirttoday.3.Thelittlechildcan__________himselfnow.Ⅱ.用toomany,toomuch或muchtoo填空1.Thereare__________peopleand__________trafficinthestreet.It's__________crowded.2.WatchingTV__________isbadforourhealth.puts

onwearingdresstoo

manytoo

muchmuch

tootoo

much┃易錯點針對訓練┃英語·新課標（RJ）Unit4┃易錯點針對訓練Ⅲ.用too,also或either填空1.HespeaksEnglish.Hecan__________speakChinese.2.IlikeMountTai.Helikesi