小升初各种时态动词变形的讲解及练习

1、小升初复习一-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、般直接力口“s”,如：playplays,visitvisits,speakspeaks；B、以“s”,“x”,“sh”,“ch”结尾时，力口“es”,如：catch

2、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。否定何：主语+be+not+其它。如：Heisnotaworker.他不是工人。一般疑问旬：Be+主语+其它。如：-Areyouastudent?-Yes.Iam./No,Imnot.特殊疑问旬：疑问词+一般疑问句。如：Whereismybike?2.行为动词的变化。否定句：主语+dont(doesnt)+动词原形(+其它)。如：Idontlikebread.当主语为第三人称单数时，要用doesn

3、t构成否定句。如：Hedoesntoftenplay.一般疑问句：Do(Does)+主语+动词原形+其它。如：-Doyouoftenplayfootball?-Yes,Ido./No,Idont.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,shedoesnt.特殊疑问何：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

4、分词(动名词)构成规则：A、般直接力口“ing”，如：go-going,dodoing,looklooking；B、以不发音的“e”结尾的单词，去“e”力口“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：putputting,stopstopping,runrunning,getgetting,swim一swimming,sitsitting,beginbeginning,jog-jogging,forget-forgetting。2 .现在进行时的肯定旬基本结构为be

5、+动ting.Themonkeyisswinging.Sheiscookingdinner.heisdoinghishomework3 .现在进行时的否定句在be后力口not。Sheisnottakingpictures.Heisntclimbingmountains.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

6、(week,month,year),soon,thedayaftertomorrow(后天)thismorning,thisafternoon,thisevening等。2 .基本结构：begoingto+do;Sheisgoingtovisithisgrandparentsnextweekend.Amyisgoingtoclimbmountainstomorrow.will+do.Hewillgoshoppingthisafternoon.Hewillgotoshanghainextmonth.3 .否定旬：在be动词(am,is,are)l后加not或情态动词will后加not成wonto

7、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，常和表示过去的时问状语连用。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：(l)am和is在一般过去时中变为waso(wasnot=wasnt)are在一般过去时中变为were。(werenot=werent)带有was或were的句子，其否定、疑问的变化和is,am,are一样，即否定旬在was或were后加not,一般疑问句把was或were调到旬首。3. 句中没有be动词的一般过去时的句子否定旬：di

8、dnt+动词原形，如：Jimdidntgohomeyesterday.一般疑问旬：在旬首加did,句子中的动词过去式变回原形。如：DidJimgohomeyesterday?特殊疑问句：疑问词+did+主语+动词原形？如：WhatdidJimdoyesterday?疑问词当主语时：疑问词+动词过去式？如：Whcwenttohomeyesterday?(3)过去式构成规则：A、一般直接力口“ed”,如：plantplanted,visitvisited,pick一picked；B、以不发音字母“e”结尾，直接加“ed”,如：like-liked,hope-hoped,tastetasted；C、

9、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-be-was,were是-am(be)-was-是-are(be)-were练一练：1、写出下列动词的第三人称单数。drinkgostaymakelookhavepasscarrycomewatchplantflystudybrushdoteachtakesee2、写出下列动词的现在分词。putgiveflygetdancesitrunpl

10、anttakeswimaskstoptakewritehavesmokethinkwanttell3、写出下列动词的过去式。isamflyplantaredrinkplaygomakedoesdanceworryasktasteeatdrawputthrowkickpassdo4、用动词的适当形式填空。(1) ItoschoolfromMondaytoFriday.Mybrotheroftentoschoolwithme.Yesterdaywetoschooltogether.Weliketoschoolverymuch.(go)(2) Theyusuallylunchathome.Butla

11、stweek,theylunchatschool.(have)(3) ThatmyEnglishbook.Itnew.Butnowitnothere.Itthereamomentago.(be)(4) Mysisterlikesverymuch.Sheoftenatourschoolfestival.Lastterm,shealotofsongsintheschoolhall.Shebeautifully.(sing)(5) WhatheusuallyonSunday?Heusuallyhishomework.Look!Hehishomeworknow.hehishomeworklastSun

12、day?Yes,he.(do)(6) DopeopleusuallymooncakesatMid-autumnFestival?Yes,theydo.DidyoumooncakeslastMid-autumnFestival?Yes,Idid.Ialotofdeliciousmooncakes.(eat)5、用所给词的正确形式填空1. I(like)thestoryofMonkeyKingbetterthanRobinHood2. YesterdayI(write)alettertomyfriend.3. Tom(send)someemailstohisparentslastnight.4.

13、Therobot(buy)vegetablesinthesupermarketeveryday.5. Kate(swim)inthepooltomorrow.6. Look!Herbrother(fly)akite.7. I(find)awalletand(give)ittothepolicethatday.8. Grandma(be)ill.Andwe(take)hertohosplalyesterday.9. He(teach)herkungfutwiceaweek.10. They(make)amodelplanebythemselvesandwevisitedit.11. .Thebo

14、yis(drop)abag.12. What(do)heusually(do)afterschool?13. Howmanylessonsyourclassmate(have)onMonday?14. Whattimeyou(get)toShanghaiyesterdayevening?15. Where(be)youyesterday?6、Sentencepatterntransformation.(句型转换)1. .Mysisterdidherhomeworkinthemorning.(否定句)2. WehadaToyShowfortheyoungerchildrenyesterday.(一般疑问句)3. Weplayedtennislastweekend.(划线提问)4. TheChinesepeoplelikeeatingnoodlesanddumplingsvery