新目标七年级英语三种时态

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一.现在进行时的构成:Be+v+ing.助动词be的形式要根据主语的人称和数来决定。1、现在进行时的标志:Look!Listen!Now等词2、现在进行时的基本用法:a.表示现在(指说话人说话时)正在发生的事情或当前一段时间内的活动或现阶段正在进行的动作。Wearewaitingforyou.I’mdoingmyhomeworknow.TheyarewatchingTV.b.习惯进行:表示长期的或重复性的动作,说话时动作未必正在进行。Mr.Greeniswritinganothernovel(小说).(说话时并未在写,只处于写作的状态。)3、动词-ing的变形规则1)一般情况直接加-ing。Play—playinglook—lookinggo—going2)以不发音的e结尾,去e加ing。Write—writingtake—takingclose—closing3)重读闭音节,双写末尾的字母,再加ing。Swim—swimmingput—puttingrun—running练习一(写出下列单词的-ing形式)1begin2come3eat4know5show6sit7speak8go9see10do11have12wear13ride14feel15study16sing练习二(用所给单词的适当形式填空)1.Look!Thegrandma________(run)afterthegrandson.2.Listen!Thestudents_______(sing)anEnglishsong.3.Don’tgoout.It___________(rain)hardnow.4.Tom_______(read)abooknow.5.Thechildren_________(notlisten)tothemusicnow.6.Arethey_______(have)breakfastnow?7.Isyourfather_________(fish)now?二.一般现在时的构成:be(is,are,am,are)have(has)除第三人称单数由动词原形加词尾-s或-es构成外,其他一律用动词原形一般现在时的标志:everyday,usually,often,always,sometimes,never.一般现在时的用法1)经常性或习惯性的动作,常与表示频腮度的时间状语连用。2)客观真理,客观存在,科学事实。3)表示格言或警句中。4)现在时刻的状态、能力、性格、个性。动词的第三人称单数变化1、一般情况在词尾加-s2、以字母s,x,ch,sh,o结尾加-es3、以辅音字母加y结尾的动词,先变y为i再加es练习一(写出下列单词的第三人称单数)1help11fix2make12teach3swim13wash4leave14close5know15go6play16fly7get17carry8ride18study9boy19be10guess20have练习二(用所给单词的适当形式填空)1.We______(be)inthesamecity—Shenzhen.2.There______(be)arulerandfourpencilsinthebox.3.There______(be)fourpencilsandarulerinthebox.4.She_______(have)blackhair.5.He_______(go)toschoolbybikeeveryday.6.Sandyusually______(get)upearlyinthemorning.7.Mybrother,Ken,________(watch)TVsometimes.8.Hisfatheroften_______(walk)aftersupper.9.DoesPeter_______(love)thenewschool?10.Doestheman_________(work)hardeveryday?11.Dotheirparentsusually________(visit)China?12.Myaunt________(notlike)musicinhersparetime.13.Thestudents___________(notplant)treeseveryyear.三.一般过去时:1.表示在确定的过去时间里所发生的动作或存在的状态。2.表示在过去一段时间内,经常性或习惯性的动作。3.一般过去时的标志:yesterday,yestedayevening,twoweeksago,lastweek,in1995等。4.动词过去式的变化(1)规则变化1)一般情况直接+ed如:work-workedplay-played2)以e结尾的词只加-d如:live-liveddance-danced3)以“辅音字母+y”结尾的词,变y为i再加-ed如:study-studied4)以重读闭音节结尾,且末尾只有一个辅音字母的词,先将这个字母双写,再加-ed.如:stop-stoppedplan-planned(2)不规则变化beWas/werekeepkeptsetsetbeginbeganknowknewsingsangbringbroughtleaveleftsitsatcomecameletletsleepsleptcancouldmakemadespeakspokedodidmaymightstandstoodflyflewmeetmetsweepsweptgetgotpaypaidtaketookgivegaveputputteachtaughtgowentreadreadtelltoldhavehadsaysaidwritewrotehearheardseesaw1.It__________(be)veryhotlastyear.2.We__________(be)intheNorthin1987.3.She_________(go)toclasslateyesterdaymorning.4.LastnightI______(do)myhomeworkand________(have)abath.5.---Howdidyoulikethebook?---I__________(like)itverymuch.6.When______you________(have)breakfastyesterday?7.I___________(notsee)youyesterday.8.There_____(be)threebottlesoforangeonthedeskamomentago.9.Yesterdaymycousin__________(write)alettertome.10.Where(do)yougojustnow?11.WhenIwasachild,Ioften(play)footballinthestreet.12.What(do)you(do)lastweekend?一.用动词的适当形式填空1.She______________(go)toschoolateighto’clock.2.It’ssixo’clock.Theyare_____________supper.(eat)3.Heusually__________upat17:00.(get)4.She__________(live)inBeijing5.Look!Somepeople­­­­_________(lie)onthebeach.6.Listen!What_____he________(sing)inthenextroom?7.Inthisphoto,mylittlebrother______(eat)icecream.8.Thebadchildren__________(notdo)theirhomeworkeveryday.9.Don’ttalk.I’m______(do)myhomework.10Whatishedoing?He______(write)aletter.11.Lisawithherfriends_________(do)homeworknow.12.Sheoften________(talk)aboutthatbook.13.Ilike____(watch)TVintheevening.14.Sheenjoys_____(play)theviolin.15.Stop______(talk).Theteachercomesin.16.There_____(be)manypeoplehereonvacation.Some_______(take)photos.Others_______(lie)onthebeach.Lookatthisgroupofpeople______(play)beachvolleyball.17.Thankyoufor______(help)mewithmyEnglish.18.QingDaoisagoodcity_____(have)fun.19.Thegirl_______(sing)isLucy.20.Ioftengo_______(shop)onweekends.21.Hewants_________(be)anEnglishteacher.22.Let’s_____(go)and_____(play)football.23.CanI_____(go)andseeyou.24.Please______(be)quiet.Motherissleeping.25.What______you______(do)?I__________(study)maths.26.______yoursister_________(get)upearlyeverymoring?27.Don’tgooutside.Itis________(rain).28.Itisa______(snow)day.29.Lettheboy_____(visit)thebeautifulgarden.30.LiLeiloves_________(tell)jokes.二.用行为动词的适当形式填空1.He_________(live)inWuxitwoyearsago.2.Thecat________(eat)abirdlastnight.3.We___________(go)toschoolonSunday.4.Jim’smother_________(plant)treesjustnow.5.We_______(have)apartylastHalloween.6.I______(watch)acartoononSaturday.7.It______(be)Ben’sbirthdaylastFriday.8.Weall______(have)agoodtimelastnight.9.Herfather_______(read)anewspaperlastnight..10.They_________(make)akiteaweekago.11.He________(jump)highonlastSportsDay.12.Helen________(milk)acowonFriday.13.Nancy_______(pick)uporangesonthefarmlastweek.14.I________(make)amodelshipwithMikeyesterday.15.They______(play)chessintheclassroomlastPElesson.16.Mymother______(cook)anicefoodlastSpringFestival.17.Thegirls________(sing)and______(dance)attheparty.18.We_______tozooyesterday,we_____tothepar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