小学一般现在时讲解及练习题

1一般现在时自述1.一般现在时：1.表示事物或人物的特征、状态。如：Theskyisblue.天空是蓝色的。2.表示经常性或习惯性的动作。如：Igetupatsixeveryday.我每天六点起床。3.表示客观现实。如：Theearthgoesaroundthesun.地球绕着太阳转。2.构成：1.be动词：主语+be(am,is,are)+其它。如：Iamaboy.我是一个男孩。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。注意：一般现在时经常和频率副词连用。3.我的变化--否定句、一般疑问句、特殊疑问句：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?2动词第三人称单数形式构成规则动词原形变第三人称单数的规则与发音规律同名词单数变复数大致相同，请认真观察。1、大多数动词在词尾加“S”在清辅音后发音为[s]，在浊辅音及元音后发音为[z]。如：①stop－stops[s]make－makes[s]②read－reads[z]play－plays[z]2、以辅音字母加“y”结尾的，要先将“y”变为“i”，然后在加“es”读[iz]如：fly－flies[z]carry－carries[z]study－studies[z]worry－worries3、以“s,x,ch,sh”结尾的，在词尾加“es”，发音为[iz]如：teach－teaches[iz]watch－watches[iz]4、以“o”结尾的动词，加“es”，读[z]如：go－goes[z]do－does[z下面几个动词变为单数时，原词的元音部分的发音发生了较大的变化，请注意记忆。如：1）、do[du:]－does[dz]2）、say[sei]－says[sez]以不发音字母“e”结尾的开音节词，如果尾音是[s]，[z]时，加“s”后字母“e”发音，与所加“s”一起读做[iz]。如：close－closes[iz]be动词包括：am，is，are。第三人称单数用is；过去式为was；复数are，过去式为were.have，遇到主语是第三人称单数时，要用has；动词be的第三人称单一般现在时练习题(一)写出下列动词的第三人称单数形式：drink--___________go--_____________stay--____________make--___________look--___________carry--___________come--___________watch--___________plant--_____________fly--_____________do--______________sit--______________guess--_____________die--______________go--______________rush--_____________reach--_____________touch--______________brush--____________fly--______________copy--_____________say--______________run--______________do--______________fix--______________live--______________3cry--______________enjoy--_____________have--_____________wish--_____________play--_____________teach--____________buy--_____________study--___________(二)用所给词的正确形式填空。1.What_____(do)Alicefind?2.Whichtoy_____(do)shelike?3.Hedoesn’t______(know)hername.4.Where_____(do)Grandmalive?5.Theboy_______(chase)it.6.GrandmaWang___(live)inPudong.7.When______(do)hegetup?8.Kitty______(watch)TVeveryday.9.Johncan’t_______(find)hiswatch.(三)选择题1.Jackandhermother_____happy.A.doesB.areC.isD.have2..Hermother______thebeanstalk.A.takeB.istakeCtakesD.taking3.Thewoman_______thebeanstalk.A.cutB.cuttingC.arecutD.cuts4.Thegoose_______goldeneggs.A.layB.laysC.layedD.layes5.SupergirlandSuperdog______them.A.savesB.saveC.savingD.issaving6.Ben_____anewbicycle.A.haveB.hasC.areD.were7.Aman_____infrontofhiscar.A.walkB.walksC.walkingD.work8.How_____itfeel?A.doesB.doC.areD.is9.-Hecameearlythismorning,didn'the?-Yes,hedid.Heoften___toschoolearly.A.comeB.comesC.cameD.hascome410.Ann____herhaireveryweek.A.isgoingtowashB.washC.washesD.iswashing11.Theyusually_____TVintheevening.A.watchB.willwatchC.arewatchingD.watches12.Thesun___intheeastand___inthewest.A.raises;setB.rise;setsC.rises;setsD.rises;set13.-Iusuallyhavemilkandbreadforbreakfast.Whataboutyou,Jim?-SodoI,butmysister___.A.hasn'tB.doesn'tC.didn'tD.won't14.Shewillgoifit___tomorrow.A.isn'trainB.don'trainC.doesn'trainD.didn'train15.Theselittleboys___playingfootball.A.arelikingB.likeC.likesD.wereliking16.-___he___toworkonfoot?-Yes,he___.A.Do;go;doB.Does;go;doesC.Is;going;doesD.Does;go;is17.-_____theyoften___theseoldmen?-Yes,they___.A.Do;help;areB.Are;helping;areC.Do;help;doD.Are;helped;are(四)变否定句。1.Hewantsabook.______________________________________________________________2.Jimmywasheshandsbeforedinner.______________________________________________________________3.Lisalikesmilkverymuch.______________________________________________________________4.Theywalktoschool.______________________________________________________________5.LinglingandDandanare10yearsold.______________________________________________________________(五)变一般疑问句并作肯定和否定回答。1.Hewantsabook.___________________________________________________________________________________________________________________________________________________________________________________________________52.Jimmywasheshandsbeforedinner.___________________________________________________________________________________________________________________________________________________________________________________________________3.IamChinese.___________________________________________________________________________________________________________________________________________________________________________________________________4.Theywalktoschool.___________________________________________________________________________________________________________________________________________________________________________________________________5.LinglingandDandanare10yearsold._________________________________________________________________________________________________________________________________________