2026年天津市人教版初中英语八年级上册第3单元语法练习题

2026年天津市人教版初中英语八年级上册第3单元语法练习题一、单项选择题（总共10题，每题2分，共20分）1.Thenewlibraryinourschool______opennextmonth,whichwillprovidemorereadingspacesforstudents.A.isgoingtobebuiltB.willbebuiltC.isbuiltD.willbuild参考答案：B解析：题干考查一般将来时的被动语态。根据时间状语“nextmonth”和动词“open”可知，图书馆将被建造，故用“willbebuilt”。选项A“isgoingtobebuilt”时态正确但主语错误，应为“thelibrary”而非“library”；选项C“isbuilt”是一般现在时的被动语态，与时间状语矛盾；选项D“willbuild”是主动语态，不符合句意。2.Ifit______finetomorrow,wewillgotothezooforapicnic.A.isB.willbeC.areD.were参考答案：A解析：题干考查一般现在时在if条件句中的用法。当if条件句描述客观事实或一般情况时，用一般现在时，主语“it”是第三人称单数，谓语动词需加-s，故选A。选项B“willbe”用于预测未来；选项C“are”主语错误；选项D“were”用于虚拟语气，与题干不符。3.Mysister______totheconcertlastnight,butshewastootiredtoenjoyit.A.wentB.hasgoneC.goesD.hadgone参考答案：A解析：题干考查一般过去时的用法。根据时间状语“lastnight”和“tootired”可知，姐姐昨晚去了音乐会，但未完成享受的过程，故用一般过去时，选A。选项B“hasgone”表示现在完成时，强调已去且可能未归；选项C“goes”是一般现在时；选项D“hadgone”是过去完成时，表示更早的动作，均不符合语境。4.Couldyoupleasetellme______themeetingwillstart?A.whenB.whereC.whyD.how参考答案：A解析：题干考查宾语从句的连接词。根据句意“会议何时开始”，需用连接副词when引导宾语从句，故选A。选项B“where”表示地点；选项C“why”表示原因；选项D“how”表示方式，均不符合题意。5.IfI______you,Iwouldstudyharderfortheexam.A.amB.wereC.ambeingD.willbe参考答案：B解析：题干考查虚拟语气中的第二条件句。当表示与现在事实相反的假设时，从句用一般过去时，主语“I”需用were，故选B。选项A“am”是一般现在时；选项C“ambeing”是现在进行时；选项D“willbe”是将来时，均不符合虚拟语气规则。6.Theteacheraskedthestudents______theyhadfinishedtheirhomework.A.ifB.thatC.whetherD.what参考答案：C解析：题干考查宾语从句的连接词。根据句意“老师问学生他们是否完成了作业”，需用whether或if引导宾语从句，但whether更常用于正式场合，故选C。选项A“if”可用但不如whether正式；选项B“that”不能引导宾语从句；选项D“what”表示“什么”，不符合句意。7.Myparents______metovisitthemnextweekend,butIhavetofinishmyprojectfirst.A.allowB.allowedC.allowsD.willallow参考答案：A解析：题干考查一般现在时。主语“Myparents”是复数，谓语动词用原形，故选A。选项B“allowed”是一般过去时；选项C“allows”主语错误；选项D“willallow”是一般将来时，均不符合语境。8.Ifyou______morecarefully,youwouldn’thavemadethismistake.A.workB.workedC.haveworkedD.willwork参考答案：B解析：题干考查虚拟语气中的第三条件句。当表示与过去事实相反的假设时，从句用一般过去时，主语“I”需用worked，故选B。选项A“work”是一般现在时；选项C“haveworked”是现在完成时；选项D“willwork”是一般将来时，均不符合虚拟语气规则。9.Thestudentsarediscussing______theyshouldtakeforthesummervacation.A.whatsubjectB.whichsubjectC.thatsubjectD.howsubject参考答案：B解析：题干考查宾语从句的连接词。根据句意“学生们讨论他们应该选什么科目”，需用which或what引导宾语从句，但which用于选择疑问句，故选B。选项A“whatsubject”结构错误；选项C“thatsubject”不能引导宾语从句；选项D“howsubject”搭配不当。10.Sheaskedme______Icouldhelpherwiththetranslation.A.ifB.whetherC.thatD.what参考答案：A解析：题干考查宾语从句的连接词。根据句意“她问我是否能帮她翻译”，需用if或whether引导宾语从句，但if更常用，故选A。选项B“whether”可用但不如if简洁；选项C“that”不能引导宾语从句；选项D“what”表示“什么”，不符合句意。二、填空题（总共10题，每题2分，共20分）1.Ifit______tomorrow,wewillhaveasportsmeetinthepark.参考答案：doesn’train解析：根据时间状语“tomorrow”和主句“wewillhave”，从句需用一般现在时，主语“it”是第三人称单数，谓语动词加-s，故填“doesn’train”。2.Theteachertoldthestudents______theyshouldbequietinthelibrary.参考答案：tobe解析：tellsb.todosth.是固定搭配，意为“告诉某人做某事”，故填“tobe”。3.Mybrother______totheUnitedStateslastyearandhasn’treturnedyet.参考答案：hasgone解析：根据时间状语“lastyear”和“hasn’treturned”，强调已去且可能未归，用现在完成时，故填“hasgone”。4.IfI______you,Iwouldstudyharderforthefinalexam.参考答案：were解析：表示与现在事实相反的假设，从句用一般过去时，主语“I”需用were，故填“were”。5.Thestudentsarediscussing______theyshouldtakeforthesummervacation.参考答案：whichsubject解析：根据句意“讨论选什么科目”，需用which或what引导宾语从句，但which用于选择疑问句，故填“whichsubject”。6.Couldyoupleasetellme______thetrainwillleave?参考答案：when解析：根据句意“火车何时出发”，需用连接副词when引导宾语从句，故填“when”。7.Myparents______metovisitthemnextweekend,butIhavetofinishmyprojectfirst.参考答案：allow解析：主语“Myparents”是复数，谓语动词用原形，故填“allow”。8.Theteacheraskedthestudents______theyhadfinishedtheirhomework.参考答案：if/whether解析：根据句意“老师问学生是否完成了作业”，需用if或whether引导宾语从句，故填“if/whether”。9.Ifyou______morecarefully,youwouldn’thavemadethismistake.参考答案：worked解析：表示与过去事实相反的假设，从句用一般过去时，主语“I”需用worked，故填“worked”。10.Sheaskedme______Icouldhelpherwiththetranslation.参考答案：if/whether解析：根据句意“她问我是否能帮她翻译”，需用if或whether引导宾语从句，故填“if/whether”。三、判断题（总共10题，每题2分，共20分）1.Thenewmuseumwillbeopenednextmonth,sowewillvisititthen.参考答案：×解析：beopen表示“开放”，主语“museum”是第三人称单数，谓语动词需加-s，故应改为“willbeopen”，但原句错误，故判断为×。2.Ifitrainstomorrow,wewillgotothezooforapicnic.参考答案：√解析：句意完整，时态和语法正确，故判断为√。3.Mysisterwenttotheconcertlastnight,butshewastootiredtoenjoyit.参考答案：√解析：句意完整，时态和语法正确，故判断为√。4.Couldyoupleasetellmewherethemeetingwillstart?参考答案：×解析：根据句意“会议何时开始”，需用when而非where，故判断为×。5.IfIwereyou,Iwouldstudyharderfortheexam.参考答案：√解析：表示与现在事实相反的假设，从句用一般过去时，主语“I”需用were，故判断为√。6.Theteacheraskedthestudentsiftheyhadfinishedtheirhomework.参考答案：√解析：句意完整，时态和语法正确，故判断为√。7.Myparentsallowmetovisitthemnextweekend,butIhavetofinishmyprojectfirst.参考答案：√解析：句意完整，时态和语法正确，故判断为√。8.Ifyouworkedmorecarefully,youwouldn’thavemadethismistake.参考答案：×解析：表示与过去事实相反的假设，从句用一般过去时，主语“I”需用worked，故应改为“worked”，但原句错误，故判断为×。9.Thestudentsarediscussingwhatsubjecttheyshouldtakeforthesummervacation.参考答案：×解析：根据句意“讨论选什么科目”，需用which或what引导宾语从句，但what用于选择疑问句，故应改为“whichsubject”，但原句错误，故判断为×。10.SheaskedmeifIcouldhelpherwiththetranslation.参考答案：√解析：句意完整，时态和语法正确，故判断为√。四、简答题（总共8题，每题2分，共16分）1.Explainthedifferencebetween"will"and"begoingto"inthefuturetense.参考答案："Will"isusedforpredictionsordecisionsmadeatthemomentofspeaking,while"begoingto"isusedforplansorintentions.Forexample,"Itwillraintomorrow"isaprediction,while"Iamgoingtostudytonight"isaplan.2.Whatisthestructureofaconditionalsentencetype1?参考答案：Conditionalsentencetype1hastwoclauses:the"if"clause(presentsimple)andthemainclause(futuresimple).Forexample,"Ifitrains,wewillcancelthepicnic."3.Howdoyouformapassivevoicesentence?参考答案：Passivevoiceisformedwith"be"+pastparticiple.Forexample,"ThebookisreadbyJohn."4.Whendoyouuse"if"and"whether"insentences?参考答案："If"isusedforconditions,while"whether"isusedforalternatives.Forexample,"Ifyoustudy,youwillpass"vs."Idon’tknowwhethertogoorstay."5.Whatisthefunctionof"could"inmodalverbs?参考答案："Could"isusedforpoliteness,possibility,orpastability.Forexample,"Couldyouhelpme?"or"Hecouldrunfast."6.Howdoyouformareportedspeech?参考答案：Reportedspeechchangespronounsandtenses.Forexample,"Hesaid,'Iamtired'"becomes"Hesaidthathewastired."7.Whatisthedifferencebetween"too"and"either"?参考答案："Too"means"also"attheendofasentence,while"either"means"too"atthebeginning.Forexample,"Iwantcoffee,too"vs."Eitherdoitnoworlater."8.Howdoyouuse"so"and"because"insentences?参考答案："So"introducesaresult,while"because"introducesareason.Forexample,"Hewastired,soheslept"vs."Hesleptbecausehewastired."五、应用题（总共8题，每题4分，共24分）1.Rewritethefollowingsentenceinpassivevoice:"Thestudentscleanedtheclassroomyesterday."参考答案："Theclassroomwascleanedbythestudentsyesterday."2.Changethefollowingsentencetoreportedspeech:"Shesaid,'Iwillgototheparty.'"参考答案："Shesaidthatshewouldgototheparty."3.Completethefollowingsentencewithasuitablemodalverb:"You______driveacarifyouareunder18."参考答案："can’t"4.Fillintheblankwithasuitableverbform:"Ifit______tomorrow,wewillhaveapicnic."参考答案："doesn’train"5.Rewritethefollowingsentenceusing"so":"Hestudiedhard.Hepassedtheexam."参考答案："Hestudiedhard,sohepassedtheexam."6.Completethefollowingsentencewithasuitableconditionaltype:"IfI______you,Iwouldapologize."参考答案："were"7.Fillintheblankwithasuitableconjunction:"Iwillcallyou______Ifinishmywork."参考答案："when"8.Rewritethefollowingsentenceusing"whether":"HeaskedmeifIwantedtogotothemovie."参考答案："HeaskedmewhetherIwantedtogotothemovie."【标准答案及解析】一、单项选择题1.B2.A3.A4.A5.B6.C7.A8.B9.B10.A解析：同前。二、填空题1.doesn’train2.tobe3.hasgone4.were5.whichsubject2.when7.allow8.if/whether9.worked10.if/whether解析：同前。三、判断题1.×2.√3.√4.×5.√6.√7.√8.×9.×10.√解析：同前。四、简答题1."Will"isusedforpredictionsordecisionsmadeatthemomentofspeaking,while"begoingto"isusedforplansorintentions.Forexample,"Itwillraintomorrow"isaprediction,while"Iamgoingtostudytonight"isaplan.解析：同前。2.Conditionalsentencetype1hastwoclauses:the"if"clause(presentsimple)andthemainclause(futuresimple).Forexample,"Ifitrains,wewillcancelthepicnic."解析：同前。3.Passivevoiceisformedwith"be"+pastparticiple.Forexample,"ThebookisreadbyJohn."解析：同前。4."If"isusedforconditions,while"whether"isusedforalternatives.Forexample,"Ifyoustudy,youwillpass"vs."Idon’tknowwhethertogoorstay."解析：同前。5."Could"isused