小升初各种时态、动词变形的讲解及练习

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———————————————————————————————————————小升初复习-----动词的各种时态讲解及练习一、一般现在时:一般现在时的构成1.be动词:主语+be(am,is,are)+其它如:Iamaboy.我是一个男孩。Heisastudent.他是一个学生2.行为动词:主语+行为动词(+其它)。如:WestudyEnglish.我们学习英语。当主语为第三人称单数(he,she,it)时,要在动词后加-s或-es。如:MarylikesChinese.玛丽喜欢汉语动词第三人称单数变化规则:A、一般直接加“s”,如:play–plays,visit–visits,speak–speaks;B、以“s”,“x”,“sh”,“ch”结尾时,加“es”,如:catch–catches,watch–watches;C、以“辅音字母+y”结尾时,变“y”为“i”再加“es”,如:carry–carries,study–studies。一般现在时的变化1.be动词的变化。否定句:主语+be+not+其它。如:Heisnotaworker.他不是工人。一般疑问句:Be+主语+其它。如:-Areyouastudent?-Yes.Iam./No,I'mnot.特殊疑问句:疑问词+一般疑问句。如:Whereismybike?2.行为动词的变化。否定句:主语+don't(doesn't)+动词原形(+其它)。如:Idon'tlikebread.当主语为第三人称单数时,要用doesn‘t构成否定句。如:Hedoesn'toftenplay.一般疑问句:Do(Does)+主语+动词原形+其它。如:-Doyouoftenplayfootball?-Yes,Ido./No,Idon't.当主语为第三人称单数时,要用does构成一般疑问句。如:-Doesshegotoworkbybike?-Yes,shedoes./No,shedoesn't.特殊疑问句:疑问词+一般疑问句。如:Howdoesyourfathergotowork?二、现在进行时1.现在进行时表示现在正在进行或发生的动作,也可表示当前一段时间内的活动或现阶段正在进行的动作。Heistakingpictures.(2)现在分词(动名词)构成规则:A、一般直接加“ing”,如:go–going,do–doing,look–looking;———————————————————————————————————————B、以不发音的“e”结尾的单词,去“e”加“ing”,如:take–taking,make–making,have–having;C、以重读闭音节结尾的词,如末尾只有一个辅音字母,需要双写这个字母再加“ing”,如:put–putting,stop–stopping,run–running,get–getting,swim–swimming,sit–sitting,begin–beginning,jog–jogging,forget–forgetting。2.现在进行时的肯定句基本结构为be+动词ing.Themonkeyisswinging.Sheiscookingdinner.heisdoinghishomework.3.现在进行时的否定句在be后加not。Sheisnottakingpictures.Heisn’tclimbingmountains.4.现在进行时的一般疑问句把be动词调到句首。Ishereadingabook?Istherabbitrunning?5.现在进行时的特殊疑问的基本结构为:疑问词+be+主语+动词ing?三、一般将来时1.概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事。句中一般有以下时间状语:tomorrow,nextday(week,month,year…),soon,thedayaftertomorrow(后天)thismorning,thisafternoon,thisevening等。2.基本结构:①begoingto+do;Sheisgoingtovisithisgrandparentsnextweekend.Amyisgoingtoclimbmountainstomorrow.②will+do.Hewillgoshoppingthisafternoon.Hewillgotoshanghainextmonth.3.否定句:在be动词(am,is,are)l后加not或情态动词will后加not成won’t。四、一般过去时1.一般过去时表示过去某个时间发生的动作或存在的状态,常和表示过去的时间状语连用。一般过去时也表示过去经常或反复发生的动作。如:yesterday,last(weekend,month,year…)beusedto2.Be动词在一般过去时中的变化:⑴am和is在一般过去时中变为was。(wasnot=wasn’t)⑵are在一般过去时中变为were。(werenot=weren’t)⑶带有was或were的句子,其否定、疑问的变化和is,am,are一样,即否定句在was或were后加not,一般疑问句把was或were调到句首。3.句中没有be动词的一般过去时的句子否定句:didn’t+动词原形,如:Jimdidn’tgohomeyesterday.一般疑问句:在句首加did,句子中的动词过去式变回原形。如:DidJimgohomeyesterday?———————————————————————————————————————特殊疑问句:⑴疑问词+did+主语+动词原形?如:WhatdidJimdoyesterday?⑵疑问词当主语时:疑问词+动词过去式?如:Whowenttohomeyesterday?(3)过去式构成规则:A、一般直接加“ed”,如:plant–planted,visit–visited,pick–picked;B、以不发音字母“e”结尾,直接加“ed”,如:like–liked,hope–hoped,taste–tasted;C、以“辅音字母+y”结尾时,变“y”为“i”再加“ed”,如:try–tried,carry–carried,study–studied;D、有些动词要双写最后一个字母,再加“ed”,如:stop–stopped;E、还有很多动词的过去式是不规则的,请记忆:是-am(be)-was-是-are(be)-were是-be-was,were练一练:——————————————————————————————————————————————————————————————————————————————1、写出下列动词的第三人称单数。drink__________go____________stay__________make__________look__________have_________pass__________carry__________come___________watch__________plant_________fly________study________brush_________do___________teach____________take__________see__________2、写出下列动词的现在分词。put__________give__________fly_________get________dance________sit_________run________plant_________take___________swim_________ask___________stop__________take_________write__________have__________smoke_________think__________want__________tell__________3、写出下列动词的过去式。is\am_________fly_______plant________are________drink_________play_______go________make________does_________dance________worry___________ask________taste_________eat__________draw________put______throw________kick_________pass_______do________4、用动词的适当形式填空。(1)I______toschoolfromMondaytoFriday.Mybrotheroften_______toschoolwithme.Yesterdaywe_______toschooltogether.Welike________toschoolverymuch.(go)(2)Theyusually_______lunchathome.Butlastweek,they____lunchatschool.(have)(3)That______myEnglishbook.It_____new.Butnowit_____nothere.It______thereamomentago.(be)(4)Mysisterlikes________verymuch.Sheoften_______atourschoolfestival.———————————————————————————————————————Lastterm,she_______alotofsongsintheschoolhall.She_____beautifully.(sing)(5)What_____heusually______onSunday?Heusually______hishomework.Look!He__________hishomeworknow.______he_______hishomeworklastSunday?Yes,he_______.(do)(6)Dopeopleusually_______mooncakesatMid-autumnFestival?Yes,theydo.Didyou_______mooncakeslastMid-autumnFestival?Yes,Idid.I_______alotofdeliciousmooncakes.(eat)5、用所给词的正确形式填空1.I(like)thestoryofMonkeyKingbetterthanRobinHood.2.YesterdayI(write)alettertomyfriend.3.Tom(send)someemailstohisparentslastnight.4.Therobot(buy)vegetablesinthesupermarketeveryday.5.Kate________________(swim)inthepooltomorrow.6.Look!Herbrother(fly)akite.7.I(find)awalletand(give)ittothepolicethatday.8.Grandma(be)ill.Andwe(take)hertohospitalyesterday.9.He(teach)herkungfutwiceaweek.10.They(make)amodelplanebythemselvesandwevisitedit.11.Theboyis(drop)abag.———————————————————————————————————————12.What(do)heusually(do)afterschool?13.Howmanylessons_________yourclassmate________(have)onMonday?14.Whatti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