八年级下英语语法练习(含答案、解析)

1一、时态练习（一）()1.Thetwinbrothers_________indifferentclasses.A.amB.isC.areD.be()2.Sam’sfatheroften________forawalkaftersupper.A.goB.goesC.isgoingD.gos()3.Bob_________wellinP.E.A.don’tB.doesn’tdoC.doesn’tD.don’tdo()4.Whichcountry_________thelargestpopulation,China,IndiaorJapan?A.hasB.haveC.isD.are()5.There____alotofpeopleintheparkonweekends.A.areB.isC.willbeD.have()6.Motheroftenhomeearly.A.gethomeB.gettohomeC.getshomeD.getstohome()7.________sheusually________toworkonfootorbybus?A.Is,comeB.Do,comeC.Does,comeD.Does,comes()8.Myaunt________aboutfortyyearsold,butshe________youngerthanshereallyis.A.is,lookB.is,looksC.am,lookD.are,looks()9.IwillvisittheSummerPalacewithmypenpalifit________tomorrow.A.don’trainB.wont’rainC.isn’trainD.doesn’train()10.Ourteachertoldusthatthesun_________roundtheearth.A.traveledB.travelsC.istravelingD.willtravel1、答案为C。[解析]主语brothers是复数,故be动词用are。2、答案为B。[解析]often“经常”表示习惯性，用一般现在时，主语Sam’sfather是第三人称单数，故谓语动词go应用其第三人称单数形式goes。3、答案为B。[解析]主语Bob是第三人称单数，其实义动词的一般现在时否定式是“doesnot+动词原形”，答案C差动词原形。4、答案为A。[解析]主语Whichcountry是第三人称单数，某个国家有多少人口用have/has，而不用be动词。5、答案为A。[解析]此题考查“therebe”句型。alotofpeople是复数，onweekends表示习惯性，故用“therebe”句型的一般现在时。6、答案为C。[解析]often“经常”表示习惯性，用一般现在时，主语Mother是第三人称单数，“到家”前不用介词to。7、答案为C。[解析]实义动词的一般现在时疑问式用“Does/Do+…+动词原形”,主语she是第三人称单数，故用Does，答案D中的comes应用原形。8、答案为B。[解析]句中两个简单句的主语Myaunt,she均是第三人称单数，其谓语动词也应用相应的第三人称单数形式。9、答案为D。[解析]由if引导的条件状语从句，常用一般现在时表将来，主语it是第三人称单数，rain是实义动词，其否定形式应用doesn’t+动词原形。10、答案为B。[解析]太阳绕着地球转是客观真理，用一般现在时，只有B符合。（二）2()1.—Areyouplayingbasketball?—No,we________.A.isn’tB.aren’tC.notD.don’t()2.WhereisJack?He_________gameswithhisbrother.A.playsB.willplayC.playingD.isplaying()3.Whatareyoudoingunderthattable?I________mypen.AamlookingforBlookforClookedforD.lookingfor()4.Thetwins________Chineseinaneveningschoolnow.AstudyBtostudyCarestudyingD.willstudy()5.Listen!Someone________inthenextroom.A.issingingB.aresingingC.sangD.sings()6.It’s6o’clockintheevening.They________supper.A.haveB.hasC.arehavingD.ishaving()7.Pleasekeepquiet.We________tothemusic.DA.listenedB.arelisteningC.listenD.havelistened()8.What’sthematter,Jenny?I________formypencilsharpener.A.amlookB.lookedC.lookD.amlooking()9.Hiscousin________forLondonintwodays.A.leftB.isleavingC.leavesD.leave()10.XiaoMingisagoodstudent.He________others.A.isalwayshelpingB.helpsalwaysC.wasalwayshelpingD.alwayshelp1、答案为B。[解析]本题考查对现在进行时的否定回答,主语we是复数，应用aren’t。2、答案为D。[解析]问Jack现在在哪儿,暗含用现在进行时来回答他现在正在做某事。3、答案为A。[解析]问句是现在进行时,回答要一致，即用现在进行时，答案D差be动词.。4、答案为C。[解析]此处的now强调动作正在发生,是现在进行时的时间状语，故用现在进行时。5、答案为A。[解析]Listen!是现在进行时的标志,不定代词someone做主语时,谓语常用第三人称单数。6、答案为C。[解析]根据上文“It’s6o’clockintheevening.”,推断他们现在正在吃晚饭，故用现在进行时。7、答案为B。[解析]根据上文“Pleasekeepquiet.”,推断我们正在听音乐,故用现在进行时。。8、答案为D。[解析]根据上文“What’sthematter,Jenny?”,推断Jenny正在寻找pencilsharpener,用现在进行时。9、答案为B。[解析]“in+一段时间”常用将来时,表示即将做某事,用进行时表将来。10、答案为A。[解析]always用于进行时表示一种感情色彩,此处指赞扬,根据上文“XiaoMingisagoodstudent..”,应排除答案C(过去进行时)。（三）()1.Tom________hishomeworkafterbreakfastyesterday.A.didn’tB.doesn’tC.didn’tdoD.doesn’tdo()2.Jenny________alettertoherbrotherinAmericahalfamonthago.A.wroteB.writesC.writeD.haswritten3()3.They________withuslastSundaymorning.A.don’tgohikingB.gohikingC.didn’tgohikingD.wenttohiking()4.Who________inthenextroomjustnow?Marydid.A.iscryingB.criedC.criesD.cry()5.________you________theFootballWorldCupheldinGermanylastsummer?A.Did,watchedB.Did,watchC.Were,watchD.Were,watched()6.JimandSam________hereyesterdayafternoon.A.didn’tB.aren’tC.wasn’tD.weren’t()7.Ioften________goodgradeswhenIwasinGradeone.A.getB.gettedC.gotD.gets()8.—Excuseme,lookatthesignNOSMOKING!—Sorry,I________it.A.don'tseeB.didn'tseeC.amnotseeingD.won'tsee()9.—ThesetouristshavebeentoAustralia.—Really?When________there?A.willtheygoB.didtheygoC.dotheygoD.havetheygone()10.—Tonydidn’tcometothepartyyesterday,didhe?—________,thoughhewasnotfeelingverywell．A．No，hedidn'tB．Yes，hedidC．Yes，hedidn'tD．No，hedid1、答案为C。[解析]yesterday是过去时的时间状语，实义动词的否定式为didn’t+动词原形,答案A缺动词原形。2、答案为A。[解析]halfamonthago是过去时的时间状语,故应用一般过去时。3、答案为D。[解析]lastSundaymorning是过去时的时间状语，应用一般过去时，而gohiking是固定表达，答案D多了to。4、答案为B。[解析]justnow是过去时的时间状语。5、答案为C。[解析]lastsummer是过去的时间状语,实义动词的疑问式为Did+…+动词原形，答案A没还原为动词原形。6、答案为D。[解析]yesterdayafternoon是过去时的时间状语,该句是be的过去时的否定式,主语JimandSam是复数，故应用weren’t。7、答案为C。[解析]从“whenIwasinGradeone.”得知用过去时，表示过去经常做某事用一般过去时,get的过去式是不规则的。8、答案为B。[解析]通过上下文，得知现在已看见NOSMOKING的标志,没看见NOSMOKING的标志是过去的事,故用一般过去时。9、答案为B。[解析]这些游客去过澳大利亚，动作发生在过去，when不能用于现在完成时，故应用一般过去时。10、答案为B。[解析]通过上下文，得知尽管他感觉不舒服,但他还是来的，事实是肯定的，故要用Yes来回答，答案C前后矛盾。（四）()1.—Willyoustudyforyourfinaltesttonight?4—No,I________.A.won’tB.don’tCamnotD.didn’t()2.________wemeetattheschoolgatesoon?A.WillB.DoC.AmD.Shall()3.There________aconcerttobeshowninHongKongnextweek..A.willhaveB.isC.willbeD.has()4.Hesayshe________usaroundhisfactoryintwodays.A.showsB.isshowingC.willshowsD.willshow()5.Andy______theanimalsonthefarmnextweekend.A.isgoingtofeedB.aregoingtofeedC.isfeedD.arefeeding()6.Ibelievemydream________oneday.A.comestrueB.iscomeingtrueC.willcometrueD.willtrue()7.They________meassoonashe________back.A.willcall,willcomeB.willcall,comesC.call,willcomeD.call