2026年贵州省人教版八年级英语下册第12单元语法练习

2026年贵州省人教版八年级英语下册第12单元语法练习1.Thenewlibraryinourschool______opennextmonth,whichwillprovidemorereadingspacesforstudents.A.isgoingtobebuiltB.willbebuiltC.isbuiltD.willbuild解析：本题考查一般将来时的被动语态。根据句意“我们学校的图书馆下个月将要开放”，主语library与动词open之间存在被动关系，且动作发生在将来，故用willbebuilt。选项Aisgoingtobebuilt时态正确但语态错误；选项Cisbuilt时态错误；选项Dwillbuild时态正确但语态错误。2.Ifit______finetomorrow,wewillgotothezooforanouting.A.isB.willbeC.areD.willbegoingto解析：本题考查一般现在时在if条件句中的用法。根据句意“如果明天天气好，我们就去动物园郊游”，if引导的条件状语从句用一般现在时表示将来，主语it指天气，谓语动词用is。选项B、D表示将来时，但if从句中不用will；选项C主谓不一致。3.Mysister______tovisitmenextweekend,butshehasn'tdecidedyet.A.isgoingtoB.goestoC.willgotoD.isgoing解析：本题考查动词不定式的用法。根据句意“我妹妹下周末打算来看我，但她还没决定”，表示计划或打算用begoingtodo。选项Bgoesto表示决定性计划；选项Cwillgoto表示将来；选项Disgoing缺少动词原形。4.______youfinishyourhomework,youcanwatchTV.A.AssoonasB.UntilC.BeforeD.After解析：本题考查时间状语从句。根据句意“你一完成作业就可以看电视”，表示“一……就……”用assoonas。选项Buntil表示“直到”；选项Cbefore表示“在……之前”；选项Dafter表示“在……之后”。5.Theteacheraskedus______weshouldbringourtextbooksthenextday.A.ifB.whetherC.thatD.what解析：本题考查宾语从句。asksbwhether/ifsthshoulddosth是固定结构，意为“询问某人是否应该做某事”。选项Cthat在ask后不引导宾语从句；选项Dwhat不能引导宾语从句。6.IfI______you,Iwouldstudyharderfortheexam.A.amB.wereC.ambeingD.willbe解析：本题考查虚拟语气。根据句意“如果我是你，我会为考试更努力学习”，表示与事实相反的假设用虚拟语气，从句用一般过去时。选项A、C、D时态错误。7.Theboy______injuredintheaccidentisnowinthehospital.A.whichisB.whoisC.thatisD.whomis解析：本题考查定语从句。先行词boy指人，关系代词用who，且在从句中作主语，需用is。选项A、Cwhich/that指物；选项Dwhom在从句中作宾语。8.It'simportantforstudents______theyhaveagoodhabit.A.thatB.whichC.whatD.how解析：本题考查主语从句。It'simportantthat...是固定句型，that引导主语从句，且在从句中不充当任何成分。选项B、C、D在从句中作成分。9.Thestudentsweresurprised______theteachertoldthemthenews.A.atB.withC.forD.in解析：本题考查介词搭配。besurprisedatsth是固定搭配，意为“对某事感到惊讶”。选项Bwith、Cfor、Din均不与surprised搭配。10.Ifyou______morecarefully,youwouldn'thavemadethismistake.A.workB.workedC.willworkD.hadworked解析：本题考查虚拟语气。根据句意“如果你更仔细一点，就不会犯这个错误”，表示对过去的虚拟用过去完成时。选项A、C、D时态错误。1.Thecompanyisgoingto______anewfactorynextyearinthisarea.2.Ifit______tomorrow,wewillhaveapicnicinthepark.3.Sheaskedme______Icouldhelpherwiththehomework.4.______youfinishthereport,youcanleaveearly.5.Thegirl______livesnextdoorismybestfriend.6.Itisimportant______wekeeptheclassroomclean.7.IfI______you,Iwouldcallhimimmediately.8.Theman______Ispoketolastweekisafamouswriter.9.Theyweresurprised______theirteachergavethemanextrahomework.10.It'simportantforus______westudyEnglishwell.1.Thenewmuseumwillbeopenednextmonth,sowecanvisititthen.(×)解析：beopen表示“开放”，应用主动语态，正确表达为Thenewmuseumwillopennextmonth.2.Ifitrainstomorrow,wewillgotothezoo.(×)解析：if从句用一般现在时表示将来，正确表达为Ifitrainstomorrow,wewillgotothezoo.3.Mysisterisgoingtovisitmenextweekend,butshehasn'tdecidedyet.(×)解析：表示计划用begoingtodo，正确表达为Mysisterisgoingtovisitmenextweekend.4.Assoonasyoufinishyourhomework,youcanwatchTV.(√)5.Theteacheraskedusifweshouldbringourtextbooksthenextday.(×)解析：asksbwhether/ifsthshoulddosth是固定结构，正确表达为Theteacheraskeduswhetherweshouldbringourtextbooksthenextday.6.IfIwereyou,Iwouldstudyharderfortheexam.(√)7.Theboywhoisinjuredintheaccidentisnowinthehospital.(×)解析：who指人，正确表达为Theboywhoisinjuredintheaccidentisnowinthehospital.8.It'simportantthatstudentstheyhaveagoodhabit.(×)解析：It'simportantthat...引导主语从句，that不充当成分，正确表达为It'simportantthatstudentshaveagoodhabit.9.Thestudentsweresurprisedattheteachertoldthemthenews.(×)解析：besurprisedatsth是固定搭配，正确表达为Thestudentsweresurprisedatthenewstheteachertoldthem.10.Ifyouworkmorecarefully,youwouldn'thavemadethismistake.(×)解析：表示对过去的虚拟用过去完成时，正确表达为Ifyouhadworkedmorecarefully,youwouldn'thavemadethismistake.1.Explaintheuseof"begoingtodo"inthesentence"Thecompanyisgoingtobuildanewfactorynextyear."答：begoingtodo表示计划或打算，常用于将来时间，且主语与动词之间是主动关系。2.Howdoes"if"functioninthesentence"Ifitrainstomorrow,wewillgotothezoo."答：if引导条件状语从句，用一般现在时表示将来。3.Whatisthedifferencebetween"that"and"whether"inthesentence"SheaskedmewhetherIcouldhelpher."答：whether可引导宾语从句，that不可；whether可连接whether/if从句，that不可。4.Whyis"assoonas"usedin"Assoonasyoufinishyourhomework,youcanwatchTV."答：assoonas表示“一……就……”，连接时间状语从句，强调动作的即时性。5.Howtouse"who"inthesentence"Thegirlwholivesnextdoorismybestfriend."答：who指人，在从句中作主语，先行词是girl。6.Whatdoes"It'simportantthat..."meaninthesentence"It'simportantthatwekeeptheclassroomclean."答：It'simportantthat...是固定句型，that引导主语从句，不充当成分。7.Whyis"were"usedin"IfIwereyou,Iwouldstudyharder."答：were表示与事实相反的假设，用一般过去时。8.Howtouse"whom"inthesentence"ThemanwhomIspoketolastweekisafamouswriter."答：whom指人，在从句中作宾语，先行词是man。1.Rewritethesentence"Theteacheraskedusifweshouldbringourtextbooksthenextday."using"whether."答：Theteacheraskeduswhetherweshouldbringourtextbooksthenextday.2.Changethesentence"Ifitrainstomorrow,wewillgotothezoo."intoapassivevoice.答：Ifitrainstomorrow,thezoowillbevisitedbyus.3.Completethesentence"Theboy______livesnextdoorismybestfriend."with"who."答：Theboywholivesnextdoorismybestfriend.4.Transformthesentence"It'simportantthatwestudyEnglishwell."intoanounclause.答：ItisimportantforustostudyEnglishwell.5.Writeasentenceusing"assoonas"todescribeyourdailyroutine.答：AssoonasIgetup,Ibrushmyteeth.6.Use"were"toexpressahypotheticalsituationinthesentence"IfIwereabird,Icouldfly."答：IfIwereabird,Icouldfly.7.Completethesentence"Theman______Ispoketolastweekisafamouswriter."with"whom."答：ThemanwhomIspoketolastweekisafamouswriter.8.Writeasentenceusing"begoingtodo"todescribeafutureplan.答：Thecompanyisgoingtoopenanewbranchnextyear.【标准答案及解析】一、单项选择题1.B2.A3.A4.A5.B6.B7.B8.A9.A10.B解析：1.willbebuilt表示将来被动；2.if从句用一般现在时；3.begoingtodo表示计划；4.assoonas表示“一……就……”；5.whether/if引导宾语从句；6.were表示虚拟语气；7.who指人作主语；8.that引导主语从句；9.besurprisedatsth固定搭配；10.hadworked表示对过去的虚拟。二、填空题1.build2.rains3.whether4.Assoonas5.who6.that7.were8.whom9.at10.that解析：1.begoingtobuild表示计划；2.if从句用一般现在时；3.whether引导宾语从句；4.assoonas表示“一……就……”；5.who指人作主语；6.that引导主语从句；7.were表示虚拟语气；8.whom指人作宾语；9.besurprisedatsth固定搭配；10.that引导主语从句。三、判断题1.×2.×3.×4.√5.×6.√7.×8.×9.×10.×解析：1.beopen应为open；2.if从句用一般现在时；3.begoingtodo表示计划；4.assoonas表示“一……就……”；5.whether引导宾语从句；6.were表示虚拟语气；7.who指人；8.th