英语三大时态总结ppt课件

.,1,英语时态复习,.,2,七种时态汇总：1.一般现在时2.现在进行时3.一般将来时4.一般过去式5.过去进行时6.现在完成时,.,3,在英语中，不同时间发生的动作或存在的状态要用不同的动词形式来表现。,每种时态的概念、信息词、结构、句式变化、以及某些时态间的相互区别,重点掌握,时态,Tense,.,4,时态,现在进行时：,一般现在时：,一般过去时：,现在正在进行的动作,经常或习惯性的动作或存在的状态。,过去某个时间或时间段发生的动作或存在的状态。,(ThePresentContinuousTense),(TheSimplePresentTense),(TheSimplePastTense),.,5,1.现在进行时用法：说话时正在进行的动作或当前一段时间正在进行的动作常用时间状语：now,thesedays动词构成：am/is/are+现在分词(-ing)am/is/areworking否定构成：am/is/are+not+现在分词,.,6,Forexample:Nowwearelivinginthenewneighbourhood.Tomisplayingfootballontheplayground.,.,7,一般疑问构成及简答：Am/Is/Are+主语+现在分词+其它？Yes,Iam(heis.)/No,theyarent特殊疑问举例：Whatareyoudoingnow?Whoisflyingakitethere?,.,8,用法：过去时间发生的或过去经常性的动作常用时间状语：yesterday,lastnight,twodaysago,in2000,atthattime,beforeliberation，when等引导的含过去时的句子。动词构成：动词过去时（-ed）worked否定构成：didnt+动原didntwork一般疑问构成及简答举例：Did+主语+动原+其它？Yes,主语+did./No,主语+didnt.,2、一般过去时,.,9,Forexample:Wewenttothecinemayesterday.Whenwelivedinthecitycentre,wegotuplateandwalkedtoschool.,.,10,一般疑问构成及简答举例：Did+主语+动原+其它？特殊疑问句举例：Whatdidhedoyesterday?Whendidhegetupthismorning?备注：Hehasopenedthedoor.（表示过去“开门”的动作对现在的影响是门还开着）Heopenedthedoor.(不能确定门现在是否开着),.,11,各时态常用的信息词,现在进行时：,一般现在时:,一般过去时:,now,Look!Listen!atthistimeWhereis?Donttalk!Its8:00am.,always,usually,often,sometimes,seldom,never,everyday,every,threetimesaday,lastnight,last,twodaysago,ago,in1999,in+过去的年份,justnow=amomentago,yesterday,yesterdaymorning,.,12,改一般疑问句的方法：,改否定句的方法：,首先看有无be动词，如果有，将be提到句首并大写，句末打问号.如果没有be动词，看原句的动词形式来决定借用助动词do/does/did,并且行为动词要还原。,V-原形V-s/esV-ed(过去式),+动词原形?,以此类推,首先看有无be动词，如果有，在be动词后面加not.如果没有be动词，看原句的动词形式来决定借用助动词do/does/did,并在后面加not,并且行为动词要还原。,主语+dont/doesnt/didnt+动词原形,.,13,现在分词的构成：,动词第三人称单数的构成：,过去式的构成：,直接加-ing.重读辅元辅，双写尾字母加-ing.以e结尾去e加-ing.,直接加-s.以s,x,ch,sh,o结尾加-es.以“辅音+y“结尾变y为i再加-es.,直接加-ed.以e结尾只加d.重读辅元辅，双写尾字母再加-ed.以“辅音+y”结尾变y为i再加-ed.,表格对比学习,be+v-ing(现在分词）,在be后加上not,Be提到句首,V-原形V-三人单,在行为v.前借用do,does后加not，行为动词还原,Do,Does提到句首，行为动词还原,V-ed(过去式）,在行为v.前借用did后加not，行为动词还原,Did提到句首，行为动词还原,.,15,小小测试,判断时态形式：,Healwayslikesplayingthepiano.()WearehavinganEnglishclassesnow.()Theyoftengohomelate.()Lucydancedthediscoatthepartylastnight.()IlikedgotothezoowhenIwasyoung.()Myteacherisfriendlytous.()Look!Theyareplayingfootball.()Shewasbornin1990.()Ilostmuchmoneylastnight.（）,A.现在进行时B.一般现在时C.一般过去时,.,16,have-look-begin-use-shop-get-dance-study-,现在分词,第三人称单数,过去式,study-finish-have-go-do-play-watch-give-,need-stop-hope-play-try-plan-visit-like-,havinglookingbeginningusingshoppinggettingdancingstudying,studiesfinisheshasgoesdoesplayswatchesgives,neededstoppedhopedplayedtriedplannedvisitedliked,词形转换,Heisateacher.,2.KangkangcomesfromChina.,3.Iusuallytakethebustowork.,4.Theyarehavingclasses.,5.Janeplayedtheguitarlastnight.,先（一般疑问句）再（否定句）,句型变化操练,.,18,用所给动词的适当形式填空。,1.Listen!Mary_(sing)now.2.Ayoungman_(run)ontheplaygroundnow.3.Mymother_(watch)TVplayeveryday.4.OldBush_(visit)Chinaagainlastmonth.5.I_(play)sportsthreetimesaday.6.Look!LucyandLily_(read)books.7.There_(is)afootballmatchyesterdayafternoon.8.Ourclass_(go)tothezoothreedaysago.,.,19,判断下列信息词是属于哪种时态,lastnightnoweverydayLook!yesterdayoftenListen!twoyearsagoalwaysin1897threetimesaweek,一般现在时一般过去时现在进行时,.,20,过去式的不规则变化,blow-buy-can-come-do-eat-fall-find-forget-get-,give-go-have-know-learn-make-meet-read-run-say-,see-send-sit-take-think-will-tell-begin-teach-catch-,blewboughtcouldcamedidatefellfoundforgotgot,gavewenthadknewlearntmademetreadransaid,sawsentsattookthoughtwouldtoldbegantaughtcaught,.,21,一般过去时,用法：过去时间发生的或过去经常性的动作常用时间状语：yesterday,lastnight,twodaysago,in2000,atthattime,beforeliberation，when等引导的含过去时的句子。动词构成：动词过去时（-ed）workedwork否定构成：didnt+动原didntwork一般疑问构成及简答举例：Did+主语+动原+其它？Yes,主语+did./No,主语+didnt.,.,22,Forexample:Wewenttothecinemayesterday.Whenwelivedinthecitycentre,wegotuplateandwalkedtoschool.,.,23,一般疑问构成及简答举例：Did+主语+动原+其它？特殊疑问句举例：Whatdidhedoyesterday?Whendidhegetupthismorning?备注：Hehasopenedthedoor.（表示过去“开门”的动作对现在的影响是门还开着）Heopenedthedoor.(不能确定门现在是否开着),.,24,过去进行时,用法：过去某一时刻或某一段时间内正在发生的动作常用时间状语：atthistimeyesterday,atthattime,attenoclockyesterday或when引导的从句动词构成：was/were+现在分词(-ing)以work为例：was/wereworking否定构成：was/werenot+现在分词,.,25,一般疑问构成及简答举例:Was/Were+主语+现在分词+其它？Yes,Iwas/No,Iwasnt特殊疑问句举例：Whatwereyoudongthistimeyesterday?Wherewashestandingwhentheteachercamein?,.,26,现在完成时,用法:1、发生在过去的动作且对现在仍有影响的动作，强调对现在的影响.2、从过去一直延续到现在的动作常用时间状语：already,just,never,before,recently,inthepastfewyears,ever,sofar,since+过去的点时间,for+段时间动词构成：have/has+过去分词(-ed)have/hasworked否定构成：have/hasnot+过去分词(-ed),.,27,Forexample:KittyhasjustmovedtoWaterBay.Ihavealreadyfinishedmyhomework.Hismotherhasntp