部编版初中英语下册第5单元语法知识点巩固习题及答案

部编版初中英语下册第5单元语法知识点巩固习题及答案第1页共1页部编版初中英语下册第5单元语法知识点巩固习题及答案一、单项选择题（共10小题，每题2分）1.Whichofthefollowingsentencesisgrammaticallycorrect?A.Hedon'tlikeplayingfootball.B.Hedoesn'tlikeplayingfootball.C.Hedoesn'tlikesplayingfootball.D.Hedon'tlikesplayingfootball.参考答案：B2.Whatisthecorrectformoftheverbinthesentence"Sheisreadingabook"?A.readB.readsC.isreadD.arereading参考答案：B3.Whichsentencecorrectlyusesthepresentperfecttense?A.Ihavealreadyatebreakfast.B.Ihaveatebreakfastalready.C.Ihavealreadyeatenbreakfast.D.Iatebreakfastalready.参考答案：C4.Inthesentence"Theyhavelivedhereforfiveyears,"whattenseisused?A.SimplepresentB.SimplepastC.PresentcontinuousD.Presentperfect参考答案：D5.Whichofthefollowingisacorrectuseofthepastperfecttense?A.Hehadwenttothestorebeforehecamehome.B.Hehadgonetothestorebeforehecamehome.C.Hehadbeentothestorebeforehecamehome.D.Hehadbeenwenttothestorebeforehecamehome.参考答案：B6.Whatisthecorrectformoftheverbinthesentence"Wewereplayingsoccerwhenitstartedtorain"?A.wasplayingB.wereplayC.wasplayD.wereplaying参考答案：D7.Whichsentencecorrectlyusesthefuturesimpletense?A.Shewillbegoingtotheparty.B.Shewillgototheparty.C.Shewillgoestotheparty.D.Shewillgoestotheparty.参考答案：B8.Inthesentence"Theywillhavefinishedtheirhomeworkbytomorrow,"whattenseisused?A.SimplefutureB.FuturecontinuousC.FutureperfectD.Presentperfectcontinuous参考答案：C9.Whichofthefollowingisacorrectuseofthepresentperfectcontinuoustense?A.Ihavebeenstudyingfortwohours.B.Ihavestudiedfortwohours.C.Ihavebeenstudyfortwohours.D.Ihavebeenstudiesfortwohours.参考答案：A10.Whatisthecorrectformoftheverbinthesentence"Shehasbeenworkingheresince2010"?A.hasworkedB.havebeenworkingC.hasbeenworkingD.haveworked参考答案：C二、填空题（共10小题，每题2分）1.Sheoften______(go)tothelibraryafterschool.参考答案：go2.Bythetimetheyarrived,thetrain______(alreadyleave).参考答案：hadleft3.Ifit______(rain)tomorrow,wewillgotothepicnic.参考答案：rains4.Mybrother______(be)busywithhishomeworknow.参考答案：is5.Theywill______(build)anewbridgeinthisareanextyear.参考答案：willbuild6.WhenIwasachild,I______(oftenplay)withmycousinsinthepark.参考答案：usedtoplay7.Thisbook______(write)bymyfavoriteauthor.参考答案：waswritten8.Thestudents______(study)fortheirexamnextweek.参考答案：arestudying9.Ifyou______(work)harder,youwillpassthetest.参考答案：worked10.He______(notgo)tothepartybecausehewassick.参考答案：didn'tgo三、判断题（共10小题，每题2分）1.Whenaskingforsomeone'sopinion,youshouldalwaysuse"Whatdoyouthinkabout...?"参考答案：×2.Thepastcontinuoustenseisusedtodescribeanactionthatstartedinthepastandcontinuedforaperiodoftime.参考答案：√3.Inthesentence"Sheisreadingabook,""isreading"isthemainverb.参考答案：×4.Theword"however"isusedtoaddnewinformationtoasentence.参考答案：×5."Couldyoupleasepassmethesalt?"isanexampleofapoliterequest.参考答案：√6.Thesimplefuturetenseisformedbyadding"will"tothebaseformoftheverb.参考答案：√7.Inthesentence"Theyhavefinishedtheirhomework,""havefinished"isthemainverb.参考答案：×8.Theword"because"isusedtoshowcauseandeffect.参考答案：√9."Iamgoingtothestoretomorrow"isanexampleofafutureplan.参考答案：√10.Thepastperfecttenseisusedtodescribeanactionthatwascompletedbeforeanotheractioninthepast.参考答案：√四、简答题（共8小题，每题2分）1.WhatisthebasicstructureofasentenceinEnglish?参考答案：AsentenceinEnglishusuallyhasasubjectandaverb,anditexpressesacompletethought.2.Howdoyouusethepresentcontinuoustensetodescribeactionshappeningrightnow?参考答案：Thepresentcontinuoustenseisformedwiththeverb"tobe"inthepresenttenseplusthe"-ing"formofthemainverb.Itisusedtodescribeactionshappeningatthemomentofspeakingoractionsthataretemporaryandongoing.3.Canyougiveanexampleofusingthepastsimpletensetotalkaboutcompletedactions?参考答案：Anexampleofusingthepastsimpletenseis"Iwatchedamovieyesterday."Thissentencedescribesacompletedactionthathappenedataspecifictimeinthepast.4.Explainthedifferencebetween"thereis"and"thereare"inEnglish.参考答案："Thereis"isusedwhenreferringtoasinglenoun,while"thereare"isusedwhenreferringtomorethanonenoun.Forexample,"Thereisabookonthetable"and"Therearethreebooksonthetable."5.Whatisthefunctionofasubjectinasentence?参考答案：Thesubjectistheperson,place,thing,orideathatperformstheactionorisbeingdescribedinasentence.Itisusuallythenounorpronounthatcomesbeforetheverb.Forexample,in"Thedogbarks,""Thedog"isthesubject.6.HowdoyouformthepluralofmostEnglishnouns?参考答案：MostEnglishnounsformthepluralbyadding"-s"tothesingularform.Forexample,"cat"becomes"cats."Ifthenounendsin"-s,""-x,""-z,""-sh,"or"-ch,"add"-es."Forexample,"box"becomes"boxes."7.Describetheuseofthefuturesimpletensewith"will"forpredictions.参考答案：Thefuturesimpletensewith"will"isusedtomakepredictionsaboutthefuture.Forexample,"Itwillraintomorrow."Itisalsousedtoexpressdecisionsmadeatthemomentofspeaking.Forexample,"Iwillcallyoulater."8.Whyisitimportanttoagreetheverbwiththesubjectinnumber?参考答案：ItisimportanttoagreetheverbwiththesubjectinnumberbecauseEnglishgrammarrequiressubject-verbagreement.Thismeansthattheverbmustmatchthesubjectinnumber(singularorplural).Forexample,"Shesings"(singular)and"Theysing"(plural).五、应用题（共8小题，每题3分）1.Youareorganizingaschoolparty.Thereare45studentsinyourclass.Youneedtobuysnacksanddrinksforeveryone.Snackscost2perbox,anddrinkscost1.5perbottle.Ifyouhaveabudgetof100,howmanyboxesofsnacksandbottlesofdrinkscanyoubuyatmostwithoutexceedingyourbudget?Writedowntheequationyouusetosolvetheproblemandshowyourcalculations.参考答案：15boxesofsnacksand20bottlesofdrinks2.Arectanglehasalengththatistwiceitswidth.Theperimeteroftherectangleis30cm.Whatarethedimensionsoftherectangle?Showyourworkandexplainhowyoufindthelengthandwidth.参考答案：Length=10cm,Width=5cm3.Inaclasssurvey,20studentslikeapples,15studentslikebananas,and10studentslikebothapplesandbananas.Howmanystudentslikeeitherapplesorbananas?Showyourcalculationsandexplainyourreasoning.参考答案：25students4.Atraintravelsataspeedof60km/h.Howfarwillittravelin4hours?Showyourworkandexplainhowyoucalculatethedistance.参考答案：240km5.Astoreishavingasale.Allitemsare25%off.Ashirtoriginallycosts40.Howmuchwilltheshirtcostduringthesale?Showyourcalculationsandexplainhowyoufindthediscountedprice.参考答案：306.Inatriangle,thesumofthetwosmalleranglesis45degrees.Thethirdangleis90degrees.Whatisthemeasureofeachofthetwosmallerangles?Showyourworkandexplainhowyoufindthemeasures.参考答案：Eachofthetwosmalleranglesis22.5degrees7.Aboxcontains24redmarbles,18bluemarbles,and12greenmarbles.Whatfractionofthemarblesareblue?Showyourworkandexplainhowyoufindthefraction.参考答案：3/78.Youareplanningatrip.Thedistancebetweenyourcityandyourdestinationis300miles.Ifyoudriveatanaveragespeedof50milesperhour,howlongwillittakeyoutoreachyourdestination?Showyourworkandexplainhowyoucalculatethetime.参考答案：6hours标准答案与解析一、单项选择题1.参考答案：B解析：选项A和D中的don't和don'tlikes都是错误的，因为主语he是第三人称单数，动词需要加-s。选项C中的doesn'tlikes也是错误的，因为doesn't后应该跟动词原形likes。选项B是正确的，因为doesn'tlike符合第三人称单数现在时的用法。2.参考答案：B解析：句子"Sheisreadingabook"中，主语she是第三人称单数，现在进行时需要用"be动词+现在分词"，所以正确形式是reads。选项A、C和D中的形式都是错误的。3.参考答案：C解析：选项A中的havealreadyate是错误的，因为eat需要加-ed。选项B中的haveatealready语序错误。选项C是正确的，havealreadyeaten符合现在完成时的用法。选项D中的atealready也是错误的，因为ate是过去式。4.参考答案：D解析：句子"Theyhavelivedhereforfiveyears"中，havelived是现在完成时的形式，表示动作从过去开始一直持续到现在。选项A、B和C中的时态都不正确。5.参考答案：B解析：选项A中的hadwent是错误的，因为go需要加过去分词gone。选项B是正确的，hadgone是过去完成时的形式。选项C中的hadbeento表示去过，而不是完成动作。选项D中的hadbeenwent也是错误的。6.参考答案：D解析：句子"Wewereplayingsoccerwhenitstartedtorain"中，wereplaying是过去进行时的形式，表示过去某个时间点正在进行的动作。选项A、B和C中的形式都是错误的。7.参考答案：B解析：选项A中的willbegoingtotheparty是将来进行时的形式，不符合题意。选项B是正确的，willgo是将来时。选项C和D中的goes和goes都是错误的，因为will后应该跟动词原形go。8.参考答案：C解析：句子"Theywillhavefinishedtheirhomeworkbytomorrow"中，willhavefinished是将来完成时的形式，表示将来某个时间点之前会完成的动作。选项A、B和D中的时态都不正确。9.参考答案：A解析：选项A中的havebeenstudying是现在完成进行时的形式，表示动作从过去开始一直持续到现在。选项B中的havestudied是现在完成时的形式。选项C和D中的形式都是错误的。10.参考答案：C解析：句子"Shehasbeenworkingheresince2010"中，hasbeenworking是现在完成进行时的形式，表示动作从过去开始一直持续到现在。选项A、B和D中的形式都是错误的。二、填空题1.go解析：本题考查一般现在时的动词形式。根据主语she，动词go需要加-s，表示经常性动作。2.hadleft解析：本题考查过去完成时。bythetime引导的时间状语从句表示动作发生在过去，主句动作发生在从句动作之前，所以用过去完成时。3.rains解析：本题考查一般现在时表将来。if引导的条件状语从句中，当从句主语是第三人称单数时，动词用一般现在时。4.is解析：本题考查现在进行时。now表示动作正在进行，所以用现在进行时。5.willbuild解析：本题考查一般将来时。willdo表示将来要发生的动作，符合题意。6.usedtoplay解析：本题考查usedtodo结构。usedtodo表示过去经常做但现在不做的动作。7.waswritten解析：本题考查被动语态。bymyfavoriteauthor是动作的发出者，所以用被动语态。8.arestudying解析：本题考查现在进行时。nextweek表示将来，但用现在进行时表示按计划安排的将来动作。9.worked解析：本题考查一般过去时。if引导的条件状语从句中，主句和从句动作都发生在过去，所以用一般过去时。10.didn'tgo解析：本题考查一般过去时。because引导的原因状语从句说明原因，主句用一般过去时。三、判断题1.参考答案：×解析：Whenaskingforsomeone'sopinion,youcanuse"Whatdoyouthinkabout...?"butitisnottheonlyway.Youcanalsosay"What'syouropinionon...?"or"Doyouhaveanythoughtsabout...?"Thesephrasesarealsopoliteandappropriateforseekingsomeone'sopinion.2.参考答案：√解析：Thepastcontinuoustenseisindeedusedtodescribeanactionthatstartedinthepastandcontinuedforaperiodoftime.Forexample,"ShewasreadingabookwhenIarrived."Thissentenceshowsthattheactionofreadingwasongoinginthepast.3.参考答案：×解析：Inthesentence"Sheisreadingabook,""isreading"isnotthemainverb.Themainverbis"is,"whichisanauxiliaryverb,and"reading"isthepresentparticiple.Themainverbinthissentenceis"is."4.参考答案：×解析：Theword"however"isnotusedtoaddnewinformationtoasentence.Itisusedtointroduceacontrastorexception.Forexample,"Iwantedtogotothepark,however,itwasraining."Here,"however"showsthecontrastbetweenthedesiretogototheparkandthefactthatitwasraining.5.参考答案：√解析："Couldyoupleasepassmethesalt?"isanexampleofapoliterequest.Theuseof"could"makestherequestmorepoliteandlessdemandingcomparedtousing"can."6.参考答案：√解析：Thesimplefuturetenseisindeedformedbyadding"will"tothebaseformoftheverb.Forexample,"Iwillgotothestoretomorrow."Here,"will"isaddedtothebaseform"go"toformthesimplefuturetense.7.参考答案：×解析：Inthesentence"Theyhavefinishedtheirhomework,""havefinished"isnotthemainverb.Themainverbis"have,"whichisanauxiliaryverb,and"finished"isthepastparticiple.Themainverbinthissentenceis"have."8.参考答案：√解析：Theword"because"isindeedusedtoshowcauseandeffect.Forexample,"Shewaslatebecauseshemissedthebus."Here,"because"introducesthereasonwhyshewaslate.9.参考答案：√解析："Iamgoingtothestoretomorrow"isanexampleofafutureplan.Theuseof"amgoingto"indicatesaplannedactioninthefuture.Forexample,"Iamgoingtostudyformyexamtomorrow."10.参考答案：√解析：Thepastperfecttenseisusedtodescribeanactionthatwascompletedbeforeanotheractioninthepast.Forexample,"Hehadfinishedhishomeworkbeforehewenttobed."Here,"hadfinished"showsthattheactionoffinishinghomeworkwascompletedbeforetheactionofgoingtobed.四、简答题1.参考答案：AsentenceinEnglishusuallyhasasubjectandaverb,anditexpressesacompletethought.解析：英语句子基本结构包括主语和谓语，有时还可能有宾语、表语等。主语通常是动作的执行者或被描述的对象，谓语则说明主语的动作或状态。例如，“Shereadsbooks”中，“She”是主语，“reads”是谓语。这种结构是英语句子最基本的形式，能够表达一个完整的意思。简单句是最小的句子单位，其他复杂句型都是在简单句的基础上构成的。2.参考答案：Thepresentcontinuoustenseisformedwiththeverb"tobe"inthepresenttenseplusthe"-ing"formofthemainverb.Itisusedtodescribeactionshappeningatthemomentofspeakingoractionsthataretemporaryandongoing.解析：现在进行时由“be”动词的现在时形式加上主要动词的“-ing”形式构成。例如，“Iameating”表示说话时正在吃。这种时态常用于描述当前正在进行的动作，或者表示短期内暂时持续的行为。例如，“Theyareplayingfootball”表示他们正在踢足球。3.参考答案：Anexampleofusingthepastsimpletenseis"Iwatchedamovieyesterday."Thissentencedescribesacompletedactionthathappenedataspecifictimeinthepast.解析：过去时用于描述过去发生的动作或状态。例如，“Shewenttothestore”表示她去了商店。过去简单时态通常用于描述过去某个时间点完成的动作，常与表示过去的时间状语连用，如“yesterday”，“lastweek”等。4.参考答案："Thereis"isusedwhenreferringtoasinglenoun,while"thereare"isusedwhenreferringtomorethanonenoun.Forexample,"Thereisabookonthetable"and"Therearethreebooksonthetable."解析：表示“存在”时，“thereis”用于单数名词，“thereare”用于复数名词。例如，“Thereisacatinthegarden”表示花园里有一只猫，“Therearemanybirdsinthesky”表示天空中有很多鸟。这个规则是英语语法中一个基本的使用场景。5.参考答案：Thesubjectistheperson,place,thing,orideathatperformstheactionorisbeingdescribedinasentence.Itisusuallythenounorpronounthatcomesbeforetheverb.Forexample,in"Thedogbarks,""Thedog"isthesubject.解析：主语是句子中执行动作或被描述的人、地方、事物或想法。通常主语是动词前面的名词或代词。例如，“Thegirlsings”中，“Thegirl”是主语。主语是句子的核心部分，决定了句子的基本意义。6.参考答案：MostEnglishnounsformthepluralbyadding"-s"tothesingularform.Forexample,"cat"becomes"cats."Ifthenounendsin"-s,""-x,""-z,""-sh,"or"-ch,"add"-es."Forexample,"box"becomes"boxes."解析：大多数英语名词通过在单数形式后加“-s”构成复数。例如，“book”变成“books”。如果名词以“s”，“x”，“z”，“sh”或“ch”结尾，则加“-es”。例如，“box”变成“boxes”。还有一些不规则变化，如“man”变成“men”，“child”变成“children”。7.参考答案：Thefuturesimpletensewith"will"isusedtomakepredictionsaboutthefuture.Forexample,"Itwillraintomorrow."Itisalsousedtoexpressdecisionsmadeatthemomentofspeaking.Forexample,"Iwillcallyoulater."解析：用“will”构成的未来简单时态用于对未来的预测。例如，“Itwillbesunnytomorrow”表示明天会晴天。这种时态也用于表达说话时做出的决定。例如，“Iwillgotothestore”表示我决定去商店。8.参考答案：ItisimportanttoagreetheverbwiththesubjectinnumberbecauseEnglishgrammarrequiressubject-verbagreement.Thismeansthattheverbmustmatchthesubjectinnumber(singularorplural).Forexample,"Shesings"(singular)and"Theysing"(plural).解析：动词与主语在数上保持一致是英语语法的基本要求，即主谓一致。这意味着动词必须与主语在数上（单数或复数）相匹配。例如，“Sheloves”和“Theylove”都是正确的，但动词形式必须根据主语的数量变化。五、应用题1.参考答案：15boxesofsnacksand20bottlesofdrinks解析：Letxbethenumberofboxesofsnacksandybethenumberofbottlesofdrinks.Theequationrepresentingtheproblemis2x+1.5y≤100.Tofindthemaximumnumberofboxesofsnacksandbottlesofdrinks,wecansubstitutedifferentvaluesofxandyintotheequationandcheckwhichcombinationgivesthemaximumvalueswithoutexceedingthebudget.Aftertestingdifferentcombinations,wefindthat15boxesofsnacksand20bottlesofdrinksisthemaximumcombinationthatcanbeboughtwithoutexceedingthebudget.2.参考答案：Length=10cm,Width=5cm解析：Letthewidthoftherectanglebew.Thenthelengthis2w.TheperimeterofarectangleisgivenbytheformulaP=2(length+width).Substitutingthegivenvalues,weget30=2(2w+w).Simplifyingtheequation,weget30=6w,whichgivesw=5cm.Therefore,thewidthis5cmandthelengthis2w=10cm.3.参考答案：25students解析：Tofindthenumberofstudentswholikeeitherapplesorbananas,wecanusetheprin