三种时态的区别

三种时态的区别时态一般现在时现在进行时一般过去时概念表经常发生的动作表经常存在的状态表说话时正在发生的动作表过去发生的动作表过去存在的状态时间状语always,usually,often,sometimes,everyNow;Rightnow;yesterday,yesterdaymorning/afternoon/eveningmorning/afternoon/night/evening/day/Listen!;Look!;,justnow,时间段(twoyears/days/weeks...)+ago,week,onschooldays/nights...It's+时刻in+过去的年份(2000),lastnight/year/week/month...肯定句1.Iam+...Iam主语+动词1.Iwas...1.主+动2.He/She(He/Sheis+动词ing的过去式2.He/Shewas...词原形2.主（三单）+动词s/es三单）is+...3.You/We/复数+are...主语+be+介词、形容词、名词Theyare主语+be+动词ing（无人称和数的变化）3.We/Theywere...主语+was/were+介词、形容词、名词例句1.Istudy1.Iama1.IamstudyingIstudied1.Iwasshort.Enjglish.teacher.English.English.2.Hewasat2.He2.He is2.HeisstudyingHestudiedhomeyesterday.studiestall.English.English.3.They wereEnglish.3.Wearein theclassroom.3.WearestudyingEnglish.WestudiedEnglish.children10yearsago.1.Do+主语+Is/Am/AreIs/Am/Are+主语+动Did+主语+Was/Were+主语+一般疑问句以及回答动词原形？2.Does+主语（三单）+动词原形？+主语+介词、形容词、名词？词ing？动词原形？介词、形容词、名词？回答：回答：回答：回答：回答：Yes,主语+do/does.No,主语+don't/doesn't.Yes,主语+is/am/are.No,主语+isn't/amnot/aren't.Yes,主语++is/am/are.No,主语+isn't/amnot/aren't.Yes,主语+did.No,主语+didn't.Yes,主语+was/were.No, 主 语+wasn't/weren't.例句DoyoustudyEnglish?DoeshestudyEnglish?Ishetall?Am I ateacher?Areyouintheclassroom?AreyoustudyingEnglish?IshestudyingEnglish?AmIstudyingEnglish?Didyou/hethey studyEnglish?Washe/sheathomeyesterday?Were you/theychildren10yearsago?否定句1.主语+don't+动词原形2•主语(三单 )+doesn't+动词原形主 语+is/am/are+not+介词、形容词、名词.主语+is/am/are+not++动词ing.主 语+didn't+动词原形.主 语+was/were+not+介词、形容词、名词.例句I don'tstudyFrench.Hedoesn'tstudyFrench.Iamnotafarmer.Heisn'tinthelibrary.Theyaren'told.Iamnotsleeping.Heisn'trunning.Theyaren'tstudying.I/He/Theydidn'tworkin1995.Iwasn'tateacherin1997.Hewasn'ttall11yearsago.Theyweren'tintheclassroomyesterday.一般现在时构成:用行为动词的原形，但第三人称单数作主语时，动词的词尾要加-s/es。(1.一般的动词词尾+s。2.以sh/ch/s/x/o结尾的词+es.3.以辅音字母y结尾的把y变成i，+es.)速记:主语不是第三人称单数的就喜欢显摆自己，老是不做任何点缀就出来，主语是第三人称单数的老是显摆自己的东西多，所以老是带个“s”或“es”。现在进行时的构成：人的大头(主语)+人的胳臂(is/am/are)+人的腿(ing)动词ing变化规则：1.直接+ing(例：sleeping/doing/studying/playing\watching..)去掉不发音的e加ing(例：use-using/make-making/exercise-exercising/ride-riding/dance-dancing/have-having)3•重读闭音节，以一个元音字母加一个辅音字母结尾的词，要双写尾字母再加ing(例：swimming、running/shopping/sitting/writing)二般过去时的谓语动词要用动词的过去式。动词过去式的构成分规则变化和不规则变化两种形式，不规则变化通常需要逐个记忆，规则变化则遵循以下原则：⑴一般在动词后加-ed。如：play—played,watch-watched,milk-milked(2)在以字母e结尾的动词后，只加-d。如：like—liked,dance-danced,use-used,live-lived,exercise-exercised,skate-skated...⑶在以“辅音字母+y”结尾的动词后，则改y为i,再加一edo如：study-studiedcarry-carried,cry-cried,worry-worried,copy-copied⑷在重读闭音节结尾，末尾只有一个辅音字母的动词，双写最后一个辅音字母，再加-edo如:plan—planned,stop-stopped,shop-shopped口诀：一般ed;e尾d;辅y改y为ied;stop/shop双尾ed.不规则要牢记：is/am-was;are-were;has/have-had;do/does-did;go-went;get-got;ride-rode;drive-drove;wake-wokecome-came;run-ran;sit-sat;sing-sang;swim-swam;give-gave;drink-drank;buy-bought;teach-taught;draw-drew;grow-grew;know-knew;throw-threw;blow-blew;eat-ate;fly-flew;feed-fed;hear-heard;make-made;take-took;tell-told;see-saw;say-said一般现在时、一般过去时、现在进行时综合练习一、写出下列动词的三单形式、现在分词和过去式。buy-buys-buying-boughtfly-flies-flying-flewplant-plants-planting-plantedwatch-watched-watching-watchedstudy-studies-studying-studieddrink-drinks-drinking-drankplay-plays-playing-playedgo-goes-going-wentmake-makes-making-madedo-does-doing-diddance-dances-dancing-dancedworry-worries-worrying-worriedask-asks-asking-askedtaste-tastes-tasting-tastedeat-eats-eating-ateread-reads-reading-readrun-runs-running-ranhave-has-having-hadget-gets-getting-gottake-takes-taking-tooksing-sings-singing-sangwrite-writes-writing-wrotegive-gives-giving-gavestop-stops-stopping-stopped.二、用正确的动词形式填空。Thechildrenarerunning(run)therenow・-1__got_upathalfpastsixthismorning.(get)-Myfatheralwayscomes(come)backfromworkverylate.Mymotherboughtalotoffruityesterdayafternoon.(buy)Listen!Whoissinging(sing)inthemusicroom?Oh.Maryissinging(sing)there.Theydidn'thaveameetingyesterday.(nothave)-Doyouhave(have)anycolorpens?-Sorry,Idon'thaveany.7.Shelikeseggs,butshedoesn'tlike(notlike)bread.Mymothertells(tell)meastoryeverynight.There_is/was(be)apenandtwoerasersinthepenci-box.Youmustget(get)hereattwothisafternoon.Thetwinswerethirteentwoyearsago.(be)Where_isherfriendswimming(swim)now,doyouknow?Wemusthelp(help)theteachercarryit.Theteacherisbusy.Heonlysleeps(sleep)fivehoursaday.Look!Thebusiscoming(come).Nearourschoolthere』(be)ashop.Itsells(sell)alotofbooks.17.Shegoes(go)toschoolfromMondaytoFriday.18.WhatJshelike(like)?区别Whatdoeshelike?19.Shealwaysdoes(do)herhomeworkwell.--Whatjsshedoing(do)?--Sheiscleaning(clean)herroomnow.Lookattheman.Heisdrinking(drink)tea.Hecansing(sing)thissong. 23.Let'shelp(help)mymothercook(cook).thinkLiLeimustbe(be)atschool.Listen!Sheissinging(sing)anEnglishsong.LiuYingstudied(study)inBeijingyesterday.Theyarecleaning(clean)thefloornow.Look!Heisdrinking(drink)tea.HanMeimeioftenplays(play)gamesafterschool.Yesterdaytheywatched(watch)avolleyballmatch.Whatarethegirlsdoing(do)overthererightnow?-Shedidn'tvisit(notvisit)herauntlastweekend.Shestayed(stay)athomeanddid(do)somecleaning.--Whendidyouwrite(write)thissong?--Iwrote(write)ittwoyearsago.Wheredoesyourpenpalcome(come)from?Theboyiswatching(watch)TVathome.36.Are(be)yousittinganddrinkingtea?Whataretheydoing?Theyarecleaning(clean)theroom.Look!LucywithLilyisflying(fly)akite.canspeak(speak)ChineseandEnglish.40..Shelooks(look)likehermother.41.Myfriendsareplaving(plav)cardsnow.42.Listen!Whoissinging(sing)intheclassroom?43.Jimhas(have)agoodfriend.44.Wheredoes(do)yourfriendcomefrom?45.Ihad(have)anexcitingpartylastnight.46.Shelives(live)inthecity.Maryenjoyedhaving(have)aparty.MrGreenteaches(teach)themEnglisheveryday.Thelittlegirlhas(have)aroundface.50.Hecan'tgo(go)therewithus.can'tplay(play)thepiano.52.Themusicsounds(sound)verygreat.53.Tomoftensings(sing)Japanesesongs.54.JackandIoftenswim(swim)intheriver.Whatdoesshedo(do)onweekends?Mycousinwalks(walk)toschooleveryday.Imade(make)amodelshipwithMikeyesterday.Theyaren'twatering(notwater)theflowersnow.--IsHelenwashing(wash)clothes?--Yes,sheis.LiuTaoflew(fly)kitesontheplaygroundyesterday.Theyarrived(arrive)inHongKongthreedaysago.Myfatheralwayscomes(come)backfromworkverylate.Wheredoyouhave(have)luncheveryday?Thegirllikes(like)wearingaskirt.Look!Sheiswearing(wear)aredskirttoday.--Whatareyoudoing(do)now?--Iameating(eat)bread.It'snineo'clockMyfatherisworking(work)intheoffice.Look,theboyisputting(put)therubbishintothebin.69.--_Ishecleaning(