新人教版七年级英语下unit4复习课件

阶段专题复习Unit4•1.ontime准时，按时2.listento…听……•3.inclass在课上4.belatefor做……迟到•5.haveto不得不6.bequiet安静•7.goout外出8.dothedishes清洗餐具•9.makebreakfast做早饭◆短语归纳•10.make(one’s)bed铺床•11.benoisy吵闹12.keepone’shairshort留短发•13.playwithsb.和某人一起玩•14.playthepiano弹钢琴•15.havefun玩得高兴16.makerules制订规则1.Don’tarrivelateforclass.上课不要迟到。【自主领悟】(1)arrive意为“到达”,是不及物动词,跟地点名词作宾语时要加介词。例如:Icanarrivehereat8:00.我能在八点钟到这里。(2)arrivelatefor相当于belatefor,为固定短语,意为“(做某事)迟到”。例如:Don’tarrivelateforthemeeting.开会别迟到了。【用法辨析】arrive与get的异同点相同点跟home,here和there等地点副词时,用法相同不同点arrive跟大地点类名词时用介词in,跟小地点类名词用介词at。get后跟地点类名词时只能用介词to【活学活用】①Ourteacherarrivesschoolat7:30everymorning.A.inB.toC.atD.of②Hegetstothecitybytrain.(改为同义句)Hethecitybytrain.答案:arrivesin2.Youmustbeontime.你必须准时。【自主领悟】ontime“准时”,指按照规定的时间做某事。例如:Pleasecomehereontimetomorrow.请明天按时来这里。【用法辨析】ontime与intime的区别intime及时(在时间到来之前)ontime按时(在规定时间内)Thedoctorsarrivedintimeandsavedtheinjuredman.医生及时到达,救了那位受伤者。Shegoestoworkontimeeveryday.她每天按时上班。【活学活用】①It’simportanttobeforthemeeting.A.ontimeB.intimeC.atanytimeD.atthesametime②Thefiremengottothefactoryandputoutthefire.A.ontimeB.intimeC.forthefirsttimeD.allthetime3.Don’tlistentomusicinclass.在课堂上不要听音乐。【自主领悟】(1)listen“听”,是不及物动词,其后接宾语时要加介词to。例如:Listentotheteachercarefullyinclass.在课堂上认真听老师讲课。(2)inclass是固定短语,意为“在上课;上课时”。例如:Don’ttalkinclass.Listentotheteacher.不要讲话。注意听讲。【用法辨析】listen与hear的区别【活学活用】①听!你能听见汤姆正在唱歌吗?!CanyouTomsingingnow?②不要在会上听收音机。Don’ttheradiointhemeeting.答案:①Listen;hear②listento4.Wecan’twearahatinourschool.在我们学校里不允许戴帽子。【自主领悟】wear“穿;戴”,表示状态。相当于bein。例如:HeiswearingablackT-shirt.他穿着一件黑色的T恤衫。【用法辨析】wear与puton的区别wear“穿着”,强调穿的状态,另外还可指戴帽子、戴眼镜等puton“穿上”,强调穿的动作【活学活用】①Tomoftenablacksweater.A.putsonB.wearsC.onD.in②请穿上你的雨衣。外面正在下雨。Pleaseyourraincoat.It’srainingoutside.答案:putonDoeshehavetowearauniformatschool?在学校里他必须穿着校服吗?【自主领悟】(1)haveto为情态动词,意为“必须,不得不”,后接动词原形,有人称、时态和数的变化。其第三人称单数形式为hasto,过去式为hadto。例如:It’stoolate.Ihavetogohome.太晚了。我必须回家了。(2)haveto的否定形式和疑问形式要借助于do/does/did等助动词来表示。例如:Youdon’thavetocleantheroomnow.你现在没必要打扫房间。【用法辨析】haveto与must的区别haveto强调客观上要求“不得不”must强调个人主观感觉“必须;有必要”。没有人称、时态和数的变化。mustn’t意为“禁止”【图解助记】【活学活用】①他今天得去看望他爷爷。Hevisithisgrandfathertoday.②今天你不必穿校服。Youwearyourschooluniformtoday.③你必须买票进电影院。Youatickettogointothecinema.答案:①hasto②don’thaveto③mustbuyⅠ.单项选择1.—Canwewearhatsinclass?—.A.Yes,wedoB.No,wedon’tC.Yes,wecanD.Yes,wecan’t2.—CanIuseyourruler?—Yes,you.A.mayB.needC.canD.must3.—doyouhavetodoafterschool?—Domyhomework,ofcourse.A.WhatB.WhenC.WhereD.How4.—lateforschoolagain.—Sorry,Iwon’t.A.NotbeB.Don’tbeC.NotD.Don’t5.Whichofthefollowingpicturesmeans“Pleasebequiet”?Ⅱ.句型转换1.Wehavetostayathome.(改为一般疑问句)youtostayathome?2.Bobhastogethomebeforenineo’clock.(改为否定句)Bobgethomebeforenineo’clock.3.Wecanwearourownclothes.(改为一般疑问句,并作否定回答)—youyourownclothes?—No,we.答案:1.Do;have2.doesn’thaveto3.Can;wear;can’t1.Therearetoomanyrules!有太多规定!【自主领悟】toomany意为“太多”,后接可数名词复数。例如:Therearetoomanypeopleinthezootoday.今天动物园里有太多的人。【用法辨析】toomany,toomuch与muchtoo的区别短语用法例句toomany后接可数名词复数Therearetoomanybooksinthebookshop.书店有太多的书。toomuch“太多”,后接不可数名词Thereistoomuchwaterontheground.地上有太多水。muchtoo“太”,修饰形容词或副词Heismuchtoofat.他太胖了。【活学活用】用toomany,toomuch与muchtoo填空。①Ihavehomeworktodo.②Theboxisheavyforme.③Therearetreesinthepicture.答案:①toomuch②muchtoo③toomany2.ImustreadabookbeforeIcanwatchTV.在看电视前,我必须读一本书。【自主领悟】before作连词,意为“在……以前”,引导时间状语从句。例如:IusuallybrushteethbeforeIhavebreakfast.我通常在吃早饭前刷牙。【归纳拓展】before的其他用法【活学活用】①Shealwayssaysgoodbyetohermotherbefore(go)toschool.②Healwayswasheshisfeethegoestobed.A.afterB.becauseC.ifD.before答案:①going3.Parentsandschoolsaresometimesstrict,butremember,theymakerulestohelpus.父母和学校有时候严格,但是记住,他们制定规章制度是为了帮助我们。【自主领悟】(1)strict“严格的;严厉的”,常见的用法有:(2)remember“记得”,后接从句,其反义词为forget。例如:PleaserememberwhatIsaid.请记住我所说的话。【用法辨析】remembertodosth.与rememberdoingsth.的不同【活学活用】①Thebossisstricthisworkersandheisalsostricthiswork.A.with;withB.with;inC.in;inD.in;with②Theroomisdirty.Remember(clean)it.③我记得去年见过她。IIsawherlastyear.答案:②toclean③rememberedthat4.Let’spracticetheguitar.让我们练习吉他。【自主领悟】practice动词,在此意为“练习;训练”,其后接名词、代词或动名词作宾语。例如:Ipracticeplayingthepianoeveryday.我每天练习弹钢琴。【归纳拓展】practice的不同词性practice还可以作名词,意为“练习;实践”。为不可数名词。例如:Practicemakesperfect.熟能生巧。【活学活用】①WepracticeEnglisheveryday.A.speakB.tospeakC.speakingD.spoken②玛丽每天练习唱歌。Maryeveryday.③想要成为一名好的游泳选手必须勤加练习。Ittakesalotoftobecomeagoodswimmer.答案:②practicessinging③practiceIhavetokeepmyhairshort.我必须留短发。【自主领悟】keep为动词,意为“保留;保存;保持”。keep+sth.+adj.“让某物保持某种状态”。例如:Pleasekeepthewindowclosed.请让窗户关着。【归纳拓展】keep的不同搭配(1)keep+adj.保持某种状态。(2)keepdoingsth.一直做某事。(3)keepsb.doingsth.让某人一直做某事。(4)keepsb./sth.fromdoingsth.表示“阻止(防止)某人/某物做某事。”【活学活用】①他总是保持忙碌。Healways.②她喜欢留长发。Shelikestoherhair.③他让我等了一个小时。Hemeforanhour.答案:①keepsbusy②keep;long③kept;waiting【观察领悟】仔细观察例句,体会祈使句的用法。1.Comehere,please.(祈使句以开头)2.Don’teatinclass.(否定祈使句是+动词原形)3.Let’snotplayfootballinthestreet.(Let’s开头的否定祈使句是在后加not)4.Notalking.(No+可以表示禁止性的祈使句)答案:1.动词原形2.Don’t3.Let’s4.名词或动名词【探究总结】(一)祈使句的含义及构成1.祈使句是表示命令、请求、禁止或劝告等的句子,一般不出现主语,其隐含的主语是you。2.祈使句以动词原形开头,句末加句号或感叹号。3.表示请求或劝告的祈使句往往在句首或句尾加please。加在句尾时,必须与前面内容用逗号隔开。例如:Goandwashyourhands.去洗你的手。Bequiet,