【中考小复习】中考复习课件：（人教版）七年级英语下册Unit 4 Don't eat in class.ppt

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1、英语·新课标（RJ）Unit4　Don'teatinclass.英语·新课标（RJ）Unit4┃语法探究┃语法探究┃Ⅰ.祈使句祈使句指的是表示命令、请求、建议或劝告的句子。其主语you常省略，谓语动词用原形，句末用感叹号或句号，读降调。1.肯定的祈使句(1)动词原形＋其他如：Standup,please.＝Pleasestandup.请起立。(2)Be＋形容词如：Becareful!小心！/当心！(3)Let's＋动词原形如：Let'sgotoschooltogether.咱们一起上学去吧。英语·新课标（RJ）Unit4┃语法探究

2、2.否定的祈使句(1)Don't＋动词原形如：Don'tclosethewindow.别关窗。(2)Let's(Letsb)＋not＋动词原形如：Letthemnotplaywithfire.别让他们玩火。(3)有些可用no开头，用来表示禁止性的祈使句。如：Nofishing!禁止钓鱼！Ⅱ.情态动词haveto和must1.情态动词haveto和must都表示“_______”。haveto表示从_______条件上来看必须做某事；must表示说话人_______必须要做某事。如：Thereisnobus,youhavetowal

3、khome.(没有公交车是客观条件)没有公交车了，你必须走回家。必须主观上客观Unit4┃语法探究英语·新课标（RJ）ImuststudyEnglishwell.(想学好英语是一种主观想法)我必须要学好英语。2.haveto有______、______和______的变化，而must只有一种形式。如：It'sraining.Hehastostayathome.下雨了。他必须待在家中。3.在否定结构中don’thaveto表示“______”，而mustn’t表示“______”。如：Youdon'thavetowaitforhim

4、.你没必要等他。Youmustn'tplaywithfire.It'sdangerous.你禁止玩火。那很危险。人称数时态没必要禁止Unit4┃语法探究英语·新课标（RJ）【练习吧】()1.—CanIgotothepark,Mom?—Certainly.Butyou___bebackbeforesixo'clock.A.canB.mayC.mightD.must()2.You_____stopwhenthetrafficlightturnsred.A.canB.havetoC.needD.hadbetter()3.________

5、comelatetoschooltomorrow!A.DoB.DoesC.BeD.Don't()4.下面哪句话是祈使句？A.Hi,there.B.Hereyouare.C.Bequick.D.SheisMary.DBDC英语·新课标（RJ）┃能力提升训练┃Unit4┃能力提升训练Ⅰ.完形填空TrafficrulesarealsocalledRoadSafetyrules.Theyaremadetokeeporderontheroad.Theyalsohelptokeeppeople__1__.Thepedestrian(行人)ha

6、sasmanyrulesto__2__asthedriverofacar.Youshouldwalkatthesidewalkoratthesideoftheroad.Alwayslookcarefully__3__youwalkacrossthestreet.Ifyoulikeridingabike,don'trideinthemiddleoftheroadorrunthrough__4__trafficlights.Whenyourideabikewithafriend,don'tlookaroundortalk.英语·新课标

7、（RJ）Unit4┃能力提升训练Ifyoudrive,youshouldslowdown__5__thetrafficlights.Youmustalways__6__aseatbelt(安全带)．Withoutbeltsboththe__7__andthepassengers(乘客)maybebadlyhurtinasuddenaccident.Someonemaybethrownoutthroughthewindow.Youmaynotneedtodriveabus,__8__takecare(小心)ifyouhavetotr

8、avelinone.Getonorgetoffabusonlywhenithascometoa__9__.Whenitisfull,don'ttrytogetinside__10__youmayfallover.()1.A.healthyB．saf