时态复习公开课-初中英语中考时态复习(绝对精品)PPT课件

.,1,Tenses,.,2,定义：在英语中，不同时间发生的动作要用不同的动词形式来表示，每一种不同的形式叫做时态。,时态,.,3,一般现在时thesimplepresenttense一般过去时thesimplepasttense现在进行时thepresentcontinuoustense过去进行时thepastcontinuoustense现在完成时thepresentperfecttense过去完成时thepastperfecttense一般将来时thesimplefuturetense过去将来时thepastfuturetense,英语八大时态,.,4,Grammar,一般现在时:SimplePresent概念:表示习惯、经常性的动作;表示客观真理或事实Lighttravelsfasterthansound.结构:1.amisare+表语Sheisabeautifulgirl.2.ThereisareThereisabookonthedesk.3.实义动词作谓语Heusuallygetsupateightoclock.,.,5,标志语：usually、often、sometimes、onceaweek、twiceamonth、everyyear,一般现在时的常见考点：主语是单数时：1.一般情况下是在动词后面加s2.以s,x,sh,ch结尾的单词后面加es3.以辅音加y结尾的单词，把y变为i加es.4.不规则变化：have-hasbe-isgo-goesdo-does,.,6,Exercise,Thetwins_(wash)theclotheseveryday.Sometimeshe_(play)basketballoverthere.Howoften_Sally_(sing)?,wash,plays,.,7,Report,Ihaveafriend.His/Hernameis.He/Sheplays.,.,8,Grammar,一般过去时:PastSimple概念:表示过去经常或反复发生的动作结构:did,was/were(过去时）例句：Iwenttotheparkyesterday.Iwashappyyesterday.标志语：yesterday、.ago、justnowin1992、lastweek/month,.,9,动词-ed形式的构成：(规则变化）,moveddied,carriedcried,stoppedplanned,answered,.,10,got,drank,took,went,swam,ate,cut,were,had,did,came,said,saw,put,不规则过去式,.,11,Notice:表示过去经常反复发生的动作，我们也经常与always,usually,often,sometimes等连用Heoftenplayedfootballwithhisclassmatesafterclasswhenhewasachild.2.Since从句常用一般过去时ItistenyearssinceIcamehere.,.,12,Exercise,Thetwins_(wash)theclothesyesterday.Thedaybeforeyesterdayhe_(play)basketballoverthere._Sally_(sing)twohoursago?,washed,played,.,13,Survey,-WhatdidyoudothisSaturdaymorning?-Iwentto.,.,14,Report,ThisSaturdaymorning,MissMr.Intheafternoon,he/she.Andatnight,he/she,.,15,Grammar,现在进行时:PresentProgressive,概念:表示现在正在发生的动作结构:be(is,am,are)+doing标志语：Look!Listen!now、atthemoment、rightnow、atpresent、,.,16,动词-ing形式的构成：,writingtaking,gettingrunningswimming,asking,.,17,Exercise,Thetwins_(wash)theclothesnow.Look!He_(play)basketballoverthere.Listen!_Sally_(sing)?,arewashing,isplaying,.,18,Look!,Lily,Lucy,.,19,Describe,Whatafinedaytoday!Look.,.,20,Grammar,过去进行时:PastProgressive概念:表示过去某一时刻或某一个时间段内发生的动作结构:be(was，were)+doing标志语：at8:00yesterday、atthatmoment、when、while、,.,21,动词-ing形式的构成：,writingtaking,gettingrunningswimming,asking,.,22,最常用于以when,while及as引导的时间状语从句延续性动词：指动词可以延续一段时间而不是瞬间结束。如：workstudydrinkeat非延续性动词：指动作极为短暂，瞬间结束。如：startbeginjumpknock1.当从句的谓语动词是持续性动词时，用when,while或as引导Iwasdrawingthepicturewhenmyfriendcame.Jonewastalkingwithhisclassmateswhenteachercalledhim.,.,23,如果表示两个短动作或事件同时发生，常用as，whenAshecaughttheball,therewasatearingsound.,当从句的谓语动词表示瞬间动作时，不可用while引导。Hewasonthepointofleavingwhensomeoneknockedatthedoor.如果讨论两个长动作，最常用while.WhileJohnwassittingbitinghisnails,Iwasworkingoutaplantogetushome.,.,24,Exercise,1.He_(work)atthattime.2.Whentheteacher_(come),they_(talk)loudly.3.She_(do)herhomeworkthistimeyesterday.,.,25,Grammar,现在完成时:PresentPerfect概念:表示已经发生的动作(强调不久前发生的动作对现在的影响）结构:havedone/been/gone（过去分词）规则性变化的动词的过去分词构成与动词的过去式构成规则相同。,.,26,标志语：肯定句：already、just、for疑问或否定句：yet、ever、never位置：yet置于句末，already,never,ever,just置于助动词havehas之后，实义动词之前。,.,27,表示动作已经完成，并且已经结束Hehasleft.Ihavealreadyhadarest.表示动作虽然已经完成，但还要继续（在这个用法中，动词要用延续性动词，常与for引导的一段时间和since引导的短语连用）Hehasbeenawayfortwodays.Thebirdhasbeendeadforamonth.,.,28,不规则过去分词,gotgotten,wentgone,ateeaten,cutcut,werebeen,diddone,saidsaid,.,29,不规则过去分词,tooktaken,swamswum,drankdrunk,putput,hadhad,camecome,sawseen,.,30,现在完成时常见考点：1.Havebeento“过去曾去过某地”表示说话时已从该地回来或已从该地去了某地、总之现在不在该地。IhavebeentoHangZhoumanytimes.2.Havegoneto”已经去了某地“表示说话时不在说话地点，在去某地途中或已到某地现在还未回来。WhereisMr.Green?HehasgonetoLondon.,.,31,Exercise,Thetwins_(wash)theclothesforanhour.He_(play)basketballsincethreeyearsago.Howlong_Sally_(sing)yet?,havewashed,hasplayed,.,32,Grammar,过去完成时:PastPerfect概念:时间截止到过去某一时刻动作已经完成（表示一个动作在过去某一时间或动作之前已完成）(坐标轴）结构:haddone（过去分词）标志语：bythetime,或主句为一般过去时的宾语从句中,宾语从句：Iheardthattheyhadpassedtheexam.,.,33,过去完成时与after,before,assoonas,till/until等引导时间状语的从句连用，强调动词的时间先后。例句：在他们到达之前电影已经开始了。Beforetheyarrivedherethefilmhadstarted.我完成作业了，就去睡觉了。Lastnight,assoonasIhadfinishedmyworkIwenttosleep.他作业做完后，就出去了。Afterhehadfinishedhisworkhewentout.,.,34,1.We_(learn)manynewwordsbytheendoflastterm.2.Hesaidhe_(be)toHawaiitwice.3.He_(go)toEnglandbefore2000,Exercise,.,35,Grammar,一般将来时:SimpleFuture概念:表示将要发生的动作,计划或准备要做的事结构:willdo、be(is、am、are)+goingtodo标志语：tomorrow、intwomonths、nextmonth、soon,.,36,Notice：Begoingto与will的区别Begoingto表示近期计划或眼下要发生的事情；根据一些迹象明显要发生的情况will则表示时间上较远一些发生的事情,未经计划；另外在礼貌询问时，我们也常常用will/shall而不用于begoingto.Eg:Lookatthosebigblackclouds.It_rain.AmustBwillCwouldDisgoingto,.,37,Itwillbe和Therewillbe的区别Itwillbe+形容词Itwillberainy/cool/warm.Therewillbe+名词Therewillberain/wind/snow.,.,38,Notice:在有条件状语从句或时间状语从句的复合句中，从句用一般现在时，主句中只用will而不用begoingto.如：MumwillgotoBeijingifitdoesnotraintomorrow.Whenyougethome,youwillfindanewbikeinyourgarden.,.,39,Grammar,过去将来时:PastFuture概念:表示从过去某个时间看来将要发生的动作或存在的状态结构:woulddobe(was、were)goingtodo过去将来时的依据：要有表示过去的“动作”，而不是“时间”标志语：常用于主句是一般过去时的宾语从句中,.,40,宾语从句：Iheardthattheywouldhelpus.-Whatdidhesayyesterday?-Hesaidthathe_totheparkthenextdayA.goesB.willgoC.wouldgoD.aregoing-DidyoursonfailhisEnglishexamonceagain?-Yes,buthesaidhe_hardnexttime.A.studiesB.isstudyingC.willstudyD.wouldstudy,.,41,特殊用法：Come,go,leave,arrive,start等可用过去进行时代替过去将来时。例如：Hesaidthetrainwaslea