《8種時(shí)態(tài)標(biāo)志詞》

時(shí)態(tài)1精選課件2常見八種時(shí)態(tài)----標(biāo)志詞2精選課件1、一般現(xiàn)在時(shí)表示：現(xiàn)階段經(jīng)常發(fā)生的動(dòng)作或存在的狀態(tài)We____(go)toschoolatsixfortyeveryday.Mybrother_____(read)abookonceaweek.goreads3精選課件一般現(xiàn)在時(shí)使用注意事項(xiàng)：主語是第三人稱時(shí)，動(dòng)詞詞尾要加“s”或“es”表示“習(xí)慣性的動(dòng)作”經(jīng)常與下列副詞連用：

3.表示位置移動(dòng)的動(dòng)詞，如come,go,start,leave,arrive等經(jīng)常用一般現(xiàn)在時(shí)代替將來時(shí)，特別在固定的時(shí)間表中。4.在表示時(shí)間或條件的狀語從句中，也經(jīng)常用一般現(xiàn)在時(shí)代替一般將來時(shí)。此類狀語從句經(jīng)常由下列連詞引導(dǎo)：every–(每…)usually(通常)sometimes(有時(shí))frequently(經(jīng)常地)always(總是)often(時(shí)常)seldom(很少)occasionally(偶爾)表示時(shí)間：when,while,before,after,assoonas,till…表示條件：if,unless,incase(=if)4精選課件注意：表示時(shí)間或條件之連詞所引導(dǎo)的狀語從句,一律用一般現(xiàn)在時(shí)代替一般將來時(shí)；但如果when及if所引導(dǎo)的是名詞性從句的話，則不在此限。Ifit_______(rain)tomorrow,I’llstayathome.Hewillbehappywhenhe______(hear)thegoodnews.Tellmewhenhe______________(arrive).Idon’tknowifhe____________(come).…………….rainshearswillarrivewillcome…………._______5精選課件2、一般將來時(shí)

表示：將要發(fā)生的動(dòng)作或存在的狀態(tài)6精選課件1.一般將來時(shí)常和下列表示將來的時(shí)間副詞連用:tomorrow,nextyear(week,month…)2.表示即將發(fā)生的將來也可用begoingto(將要/打算)或beaboutto(即將/快要)來代替will.Itisgoingtorain.Thetrainisabouttostart.(不與具體時(shí)間狀語連用)3.Beto+V表示“一定…”Heistoarrivetomorrow.4.表示“開始”,“來,去”等動(dòng)詞常常用現(xiàn)在進(jìn)行時(shí)表將來.Heiscomingheretomorrow.7精選課件3、一般過去時(shí)

表示：過去發(fā)生的動(dòng)作或存在的狀態(tài)8精選課件一般過去時(shí)經(jīng)常和下列表示過去時(shí)間的副詞連用：…ago(…前)anhouragoafewdaysagolast…lastnightlastweeklastyearyesterdayyesterdaymorningthedaybeforeyesterdaythismorning,justnow,theotherday,in+過去時(shí)間,inthosedays=then,atthattime注意動(dòng)詞不規(guī)則變化9精選課件4、現(xiàn)在進(jìn)行時(shí)

表示：現(xiàn)在正在進(jìn)行的動(dòng)作標(biāo)志：now、Look!Listen!…10精選課件注意事項(xiàng)：現(xiàn)在進(jìn)行時(shí)經(jīng)常和時(shí)間副詞now,rightnow,atpresent,atthismoment等連用。go,come,leave,start,return等動(dòng)詞若與未來時(shí)間(如：tomorrow,nextweek…)表示“不久的將發(fā)生的動(dòng)作”，可用“現(xiàn)在進(jìn)行時(shí)”代替“一般將來時(shí)”3.always和constantly與現(xiàn)在進(jìn)行時(shí)連用時(shí)，不指正在進(jìn)行，而指“反復(fù)發(fā)生”，有時(shí)含有不滿的情緒。如：Iamalwaysforgettingpeople’snames.Iamconstantlybeingaskedtomakespeeches.Youarealwayssleepinginclass.

11精選課件區(qū)別：一般現(xiàn)在時(shí)表示：永久性、習(xí)慣性、固定性現(xiàn)在進(jìn)行時(shí)表示：臨時(shí)性、偶發(fā)性、短暫性Theearth_____________(move)roundthesun.Theleaves_____________(move)inthewindandrain.movesaremoving12精選課件5、過去進(jìn)行時(shí)

表示：過去某個(gè)時(shí)刻正在進(jìn)行的動(dòng)作標(biāo)志：atsixyesterdaymorning、from7to9yesterdaymorning、thistimeyesterday、也可用在when和while引導(dǎo)的從句Hewastakingashowerat11lastnight.Theywerecookingwhenthebellrang.(=Whiletheywerecooking,thebellrang.)13精選課件6、現(xiàn)在完成時(shí)14精選課件注意事項(xiàng)：1.表示“現(xiàn)在剛完成之動(dòng)作”，經(jīng)常和下列副詞連用：just(剛剛),already(已經(jīng)),yet(尚)recently=lately(最近)sofar=bynow=uptonow=uptothepresent(迄今；至今)these+一段時(shí)間(最近)thisweek/month/year(動(dòng)作終點(diǎn)在現(xiàn)在)15精選課件2.表示“經(jīng)驗(yàn)”，經(jīng)常和下列副詞連用：never(從未),ever(曾經(jīng)),once(一次),before(以前),twice(兩次),threetimes(三詞),Howmanytimes…?(有幾次)3.表示“過去繼續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)”經(jīng)常與for,since,allday等連用。句型如下：主語++has+P.Phavefor+一段時(shí)間since+過去時(shí)間注意：此用法如果強(qiáng)調(diào)現(xiàn)在仍在進(jìn)行，可用現(xiàn)在完成進(jìn)行時(shí)，如IhavebeenstudyingEnglishforfiveyears.Ithasbeenrainingsincelastnight.16精選課件注意：表示瞬間動(dòng)作的動(dòng)詞不能用for+一段時(shí)間Hehasdiedforthreeyears.(X)Hediedthreeyearsago.(√)Hehasbeendeadforthreeyears.(√)Itisthreeyearssincehedied(√)注：過去的經(jīng)驗(yàn)，若時(shí)間不確定，用現(xiàn)在完成時(shí)，但若時(shí)間確定，則用一般過去時(shí)。Ihavemethimbefore.Imethimtwodaysago.___________________17精選課件現(xiàn)在完成時(shí)指動(dòng)現(xiàn)在已經(jīng)完成，但后果或影響仍然存在。一般過去時(shí)只限于表示過去的動(dòng)作本身，與現(xiàn)在的結(jié)果無關(guān)。而現(xiàn)在完成時(shí)把過去的動(dòng)作和現(xiàn)在的結(jié)果聯(lián)系起來，這是它們之間的主要區(qū)別。Hehasgivenupdrinking.(現(xiàn)在已經(jīng)不喝酒了）Hegaveupdrinkinglastmonth.（只說明上個(gè)月戒了酒，現(xiàn)在喝不喝酒不知道。）18精選課件7.現(xiàn)在完成進(jìn)行時(shí)動(dòng)詞形態(tài)：have/hasbeen+doing用法例句繼續(xù)WehavebeenstudyingEnglishforthreeyears.Hehasbeenreadingsincethismorning.Wehavebeenwaitingforhimallafternoon.---現(xiàn)在仍在學(xué)注：本時(shí)態(tài)用來敘述“從過去某時(shí)開始，一直延續(xù)到目前的動(dòng)作”。其特點(diǎn)在強(qiáng)調(diào)“動(dòng)作的延續(xù)”。He’sverytired;hehasbeenworkinghardallday.Haveyoubeenwaitingforalongtime.19精選課件8、過去完成時(shí)-----過去某個(gè)時(shí)間為標(biāo)準(zhǔn)，在此以前發(fā)生的動(dòng)作或行為，或在過去某動(dòng)作之前完成的行為，即“過去的過去”。標(biāo)志：before,bytheendoflastyear(term,month…),etc.Thetrain________beforewereachedthestation.Hesaidhe__________methreeyearsbefore.I_________himtwicebyyesterday.hadgonehadmethadmet20精選課件1.Whenthespeakerenteredthehall,allthelisteners___________(seat).2.TheAnti-JapaneseWar_________(breakout)in1937anditlastedeightyears.3Unlesshe_________(promise)tohelpus,weshalllosethegame.4.Youdon'tneedtodescribeher.I_________(meet)herseveraltimes.5.Don'tyouknowit'sthefirsttimehe______________(attend)thiskindofmeeting.

wereseatedbrokeoutpromiseshavemethasattended21精選課件6.Thisdictionarymustn't__________(take)awayfromthelibrary.7.Wecan'tusethebridgenow,becauseit_________________(repair).8.Nopermission________________(give)foranybodytoenterthebuilding.9.Manybridges________________(build)overtheriversinceliberation.10.Oldpeoplemustbelookedafterwelland______(speak)topolitely.

betakenisbeingrepairedhasbeengivenhavebeenbuiltspoken22精選課件11.Dinosaurs____________(disappear)about65millionyearsago.12.They___________(ask)tohelpthefarmerswiththeharvestlastautumn.13.Everypossiblemeans_____________(try),butnoneprovessuccessful.14.WhenIgottothetheatre,Ifoundthetickets________________(sellout)andIdi