SectionAGrammarfocus4a—4b (6).pptx

预习检测,根据汉语写出下列短语，并在课文中划出来。,1.theWorldTradeCenter2.beaboutto3.goup4.waitinline5.stareat6.dosthindisbelief7.gooff,8.takeoff9.turninto10.languagecourse11.sendout12.showup13.getachancetodosth14.leavefor,根据中文完成句子,1.不要出去了，马上要吃午饭了。,Dontgoout!Were_.,Theboystaredatthemanandcamebacktohismother.A.ondisbeliefB.atdisbeliefC.todisbeliefD.indisbelief,2.我们看电视时，开始下雪了。,_,itbegantosnow.,选择题,abouttohavelunch,AswewerewatchingTV,D,Summary,TheWorldTradeCenterwashitbyaplane,September11,2001,InNewYork,Hedecidedtogetacoffeefirstfromacoffeeplacetwoblocksaway.,Earthquake,February22,2011,InNewZealand,HemissedhisplanetoNewZealand.,一、概念过去完成时表示一个动作或状态在过去某一时间或动作之前已经完成或结束，也可能是早已完成或结束，即“过去的过去”；也可以指过去的动作延续到过去的某个时刻。二、结构“had+动词的过去分词”,过去完成时,三、用法,表示过去某一时间或动作之前已经发生或完成的动作或存在的状态。句中常用by,before,when,until等词引导时间状语。它是以过去某一时间为起点，所以过去完成时是一个相对的时态，表示的是“过去的过去”。只有和过去某时间或某动作相比较时才能用到它。例:Mostoftheguestshadleftwhenhearrivedattheparty.当他到达晚会时，他发现大多数客人已经离开了。,2.过去完成时还可表示过去某一时刻之前发生的动作或状态持续到过去某个时间或持续下去，常与for,since等词连用。例：WhenJackarrived,Maryhadbeenawayforalmostanhour.当杰克到时，玛丽已经离开快一个小时了。,【实战演练】,用所给词的适当形式填空。1.WhenIgottherethebus_(go).2.BythetimeIgottoclass,theteacher_(start)teaching.3.We_(learn)over1,000wordsbytheendoflastterm.4.I_(clean)theroombeforehearrivedhere.,hadgone,hadstarted,hadlearnt,hadcleaned,bythetime的用法,bythetime意为“到时候(为止)”，是一个介词短语，在句中常起到连词的作用，引导时间状语从句。如果从句中的谓语动词是一般过去式，那么主句的谓语动词通常用过去完成时，表示“截止到从句动作发生时，主句动作已经完成，即过去的过去”。,例：Bythetimeyoucameback,Ihadfinishedthisbook.你回来时我已经把这本书看完了。（从句谓语动词cameback为一般过去时，所以主句动作用过去完成时hadfinished,表示过去的过去。）,2.如果从句中的谓语动词为一般现在时或现在完成时，那么主句中的谓语动词常用将来完成时，表示“截止到将来的某一时刻为止，主句动作将已完成。”例：BythetimeIgethome,theywillhaveleft.我到家时他们将已经离开。BythetimeIgraduatenextyear,Iwillhavelivedhereforfiveyears.到明年毕业时，我将已经在这待了五年了。,（1）bytheendof+时间点意为“到结束时”+过去的时间点，主句用过去完成时；例：Bytheendoflastyear,IhadstayedinXianforsevenyears.到去年结束时，我已经在西安待了7年了。+将来的时间点，主句用将来完成时；,拓展,例：Bytheendofnextmonth,Iwillhavefinishedmynewbook.到下个月结束时我将要完成我的新书。(2)by+时间点意为“到为止；截止时”+现在的时间点，主句用现在完成时；例：Bynow,Ihavefinishedallmyhomework.截止现在，我已经完成了所有的作业。,+过去的时间点，主句用过去完成时；例：Byyesterday,thebuildinghadbeencompleted.截止昨天，这个建筑就已经完成了。+将来的时间点，主句用将来完成时。例：Bytomorrow,allthestudentswillhavebeenoutoftheschool.到明天所有的学生都将离校。,I.根据汉语提示写出下面句中所缺的单词。,1.IgotupearlythismorningbecauseIdidntwantto_(错过)theearlybus.2.Thedropinpriceswasquiet_(出乎意料的).3.The_(工人)felldownandgothurt.4.Theplanewasflying_(在上面)theclouds.5.Therivergoesthroughthecityfrom_(西)toeast.,miss,unexpected,worker,above,west,II.写出下面短语的意思。1.showup_2.befullof_3.arriveat_4.beaboutto_5.takeoff_6.turninto_7.findout_,出现；露面,充满,到达,将要做某事,(飞机)起飞,变成,发现；找出,marketburnabovemissunexpectedpie,1.Igotuplateand_theearlybusthismorning.2.Themountainis1,000meters_thesealevel.,.用方框中词的适当形式完成下面的句子。,missed,above,3.Mydaughterwentwithmetothe_andboughtclothes.4.Hiswifemadesomeapple_forsupper.5.Hebecameworriedwhenheheardofthe_news.,marketburnabovemissunexpectedpie,market,pies,unexpected,.按要求完成下面的句子。1.ShehasgonetoShanghai.(用bythetimeIarrivedthere.改写句子)2.BythetimeIarrived,Tomhadfinishedthework.(对画线部分提问),ShehadgonetoShanghaibythetimeIarrivedthere.,WhathadTomdonebythetimeyouarrived?,3.JennyhadalreadycleanedtheroomwhenIcalledher.(改为否定句)JennyhadntcleanedtheroomyetwhenIcalledher.4.Hehadleftbeforeshecouldsayaword.(改为一般疑问句)Hadheleftbeforeshecouldsayaword?,根据汉语意思完成句子。,1.当我到车站时，火车已经开走了。_Igottothestation,thetrain_left.2.长大后，他会离开这儿。He_herebythetimehe_up.3.他捎我去车站。He_tothestation.,Bythetime,hadalready,willleave,grows,gavemealift,4.有时，坏事可以变成好事。Abadthingcanbe_agoodonesometimes.5.你知道飞机什么时间起飞吗？Doyouknowwhentheplanewill_?6.房间里全是学生。Theroom_students.,turnedinto,take,off,isfullof,单项选择,1.-Whywereyoulatethismorning?-Myalarmclockdidnt_,soIoverslept.A.gobyB.goonC.gooffD.godown2.WhenIgottothecinema,themovie_forfiveminutes.A.beganB.hadbegunC.hadbeenonD.hasbeenon,C,C,3.Shewillbeanurse_shegraduatesfromtheschool.A.bythetimeB.atthistimeC.atthattimeD.atatime4.I_thismorningandmissedtheearlybus.A.oversleptB.sleptC.heldD.caught,A,A,5.Hewasunhappywhenhesoldhisguitar.Afterall,he_itforaverylongtime.A.hashadB.hadhadC.hasD.had6.Ididntbelievehecoulddrive_hetoldme.A.onceB.whileC.sinceD.till,B,D,7.-Mark,youlooksotired.-Oh,Iworked_itwas12oclocklastnight.A.unlessB.afterC.tillD.as8.Teachersareoftencomparedto_candles.A.burntB.isburningC.burnsD.burning,C,D,9.MissLeedidnt_ourpartybecausesheforgot.A.showupB.comeupC.getupD.takeup10.Ifyoumustgo,atleastwait_therainstops.A.unlessB.tillC.beforeD.for,A,B,11.Idontlikevegetables_theyaregoodformyhealth.A.becauseB.eventhoughC.afterallD.sothat12.Hurryup,Tom!Thetrainis_tostart.A.aboutB.withC.forD.at,B,A,13.-Boysandgirls!Please_yourcompositionsafterclass.-Oh,myGod!I_itathome.A.handin;forgotB.handin;leftC.handout;forgot