2026年辽宁省北师大版高中英语高二年级下册第8单元语法填空专项题库

2026年辽宁省北师大版高中英语高二年级下册第8单元语法填空专项题库一、单项选择题（总共10题，每题2分，共20分）1.The8thunitofthenewcurriculumfocusesonadvancedgrammarstructures,particularlytheuseof"while"toexpresssimultaneousactions.Whichsentencecorrectlydemonstratesitsusageinthecontextofastudentstudyingandlisteningtomusic?A.Whileshewasstudying,themusicplayedsoftlyinthebackground.B.Shestudiedwhilethemusicwasplayingsoftlyinthebackground.C.Whilestudying,themusicplayedsoftlyinthebackground.D.Shewasstudyingwhilethemusicplayedsoftlyinthebackground.Answer:AExplanation:Thecorrectuseof"while"requiresthesubjecttobethesameinbothclauses.OptionAalignsthesubject("she")inbothparts,maintaininggrammaticalconsistency.OptionsBandDsplitthesubject,whileClacksapropersubjectinthesecondclause,makingitincorrect.2.Inthe8thunit,studentslearntodifferentiatebetween"so...that..."and"such...that...".Whichsentencecorrectlyuses"so"todescribeanextremeresult?A.Theexamwassodifficultthatmanystudentsfailed.B.Theexamwassuchdifficultthatmanystudentsfailed.C.Theexamwassomanydifficultthatstudentsfailed.D.Theexamwassuchmanydifficultthatstudentsfailed.Answer:AExplanation:"So"isfollowedbyanadjective(e.g.,"difficult")todescribeasituation,while"such"requiresanoun("adifficultexam").OptionAisgrammaticallycorrect,whereasB,C,andDmisuse"such"orcombineitwithincorrectquantifiers("manydifficult").3.The8thunitintroducesthepassivevoicewith"be+pastparticiple".Whichsentencecorrectlytransformstheactivesentence"Theteacherexplainedtheconcept"intothepassivevoice?A.Theconceptwasexplainedbytheteacher.B.Theconceptwasexplainedtotheteacher.C.Theteacherexplainedtheconcepttous.D.Theconceptwasbeingexplainedbytheteacher.Answer:AExplanation:Thepassivevoicerequiresthesubjecttoreceivetheaction.OptionAcorrectlyshiftsthefocusfromtheteachertotheconcept.OptionBaddsanunnecessarypreposition,Cremainsactive,andDusesthewrongtense("beingexplained").4.Inthe8thunit,studentspracticeusing"too...to..."toexpressinability.Whichsentencecorrectlyillustratesthisstructure?A.Heistootiredtogotobed.B.Heistootogotobedtired.C.Heistootiredgotobed.D.Heistootiredfortogotobed.Answer:AExplanation:Thecorrectstructureis"too+adjective+to+verb."OptionAfollowsthisrule,whileBrearrangesthewordsincorrectly,Comits"to,"andDusesaninvalidprepositionalphrase.5.The8thunitcovers"wouldrather"toexpresspreferences.Whichsentencecorrectlyusesthisstructuretocontrasttwochoices?A.Iwouldrathergotothelibrarythanthecinema.B.Iwouldrathertogotothelibrarythanthecinema.C.Iwouldrathergothelibrarythanthecinema.D.Iwouldrathergotothelibrarythantothecinema.Answer:AExplanation:"Wouldrather"requirestheverbtofollow"rather"inthebaseform.OptionAiscorrect,whileBandDmisuse"to,"andComits"to."6.The8thunitemphasizestheuseof"usedto"forpasthabits.Whichsentencecorrectlycontrastsapasthabitwiththepresent?A.Sheusedtoplaythepiano,butshedoesn’tanymore.B.Sheusedtoplayingthepiano,butshedoesn’tanymore.C.Sheusedtoplaythepiano,butshedoesn’tanymore.D.Sheusedtoplaythepiano,butshedoesn’tanylonger.Answer:AExplanation:"Usedto"isfollowedbythebaseformoftheverb.OptionAiscorrect,whileBusesthegerundform("playing"),CandDuseincorrectadverbs("anymore"/"anylonger").7.Inthe8thunit,studentslearntouse"asif/though"toexpressunrealconditions.Whichsentencecorrectlyuses"asif"todescribeahypotheticalsituation?A.Heactsasifheknowstheanswer,buthedoesn’t.B.Heactsasthoughheknowstheanswer,buthedoesn’t.C.Heactsasifknowstheanswer,buthedoesn’t.D.Heactsasthoughknowstheanswer,buthedoesn’t.Answer:AExplanation:"Asif"isthecorrectchoicehere,andtheverbmustbeinthebaseform("knows").OptionAiscorrect,whileBandDuse"asthough"incorrectly,andComitstheverbform.8.The8thunitintroduces"soasto"toexpresspurpose.Whichsentencecorrectlyusesthisstructure?A.Shestudiedhardsoastopasstheexam.B.Shestudiedhardsothattopasstheexam.C.Shestudiedhardsoastopasstheexam.D.Shestudiedhardsoastopasstheexamto.Answer:CExplanation:"Soasto"requiresthebaseformoftheverb.OptionCiscorrect,whileBandDmisuse"sothat"oraddunnecessary"to,"andAislessformalbutstillacceptable.9.The8thunitcovers"hadbetter"togiveadvice.Whichsentencecorrectlyusesthisstructure?A.Youhadbettertofinishyourhomeworknow.B.Youhadbetterfinishyourhomeworknow.C.Youhadbetterfinishingyourhomeworknow.D.Youhadbetterfinishyourhomeworknowbetter.Answer:BExplanation:"Hadbetter"isfollowedbythebaseformoftheverb.OptionBiscorrect,whileAandCmisuse"to"orthegerundform,andDaddsanunnecessaryadverb.10.The8thunitexplainsthedifferencebetween"must"and"haveto."Whichsentencecorrectlyuses"must"toexpressstrongnecessity?A.Youmustfinishyourprojectbytomorrow.B.Youhavetofinishyourprojectbytomorrow.C.Youmusttofinishyourprojectbytomorrow.D.Youhavemustfinishyourprojectbytomorrow.Answer:AExplanation:"Must"expressesstrongerobligationthan"haveto."OptionAiscorrect,whileBislessemphatic,CandDmisuse"to,"andDmisplaces"must."二、填空题（总共10题，每题2分，共20分）1.The8thunitemphasizestheuseof"while"todescribetwoactionshappeningatthesametime.Forexample:"She______(cook)dinner______(listen)totheradio."Answer:wascooking/waslisteningExplanation:"While"requiresthepastcontinuoustenseforsimultaneousactions.Thefirstblankshouldbe"wascooking,"andthesecond"waslistening."2.Inthe8thunit,studentslearntouse"so...that..."toshowaresult.Completethesentence:"Theboxwasso______(heavy)______(we)couldn’tliftit."Answer:heavy/thatweExplanation:"So"isfollowedbyanadjective("heavy"),and"that"introducestheresultclausewiththesubject("we").3.The8thunitintroducesthepassivevoice.Completethesentence:"Thebook______(write)byafamousauthorlastyear."Answer:waswrittenExplanation:Thepassivevoiceuses"be+pastparticiple."Thesubject("thebook")receivestheaction,so"waswritten"iscorrect.4.Inthe8thunit,studentspractice"too...to...".Completethesentence:"Heis______(tired)______(go)tothepartytonight."Answer:tootired/togoExplanation:Thestructurerequires"too+adjective+to+verb.""Tootired"and"togo"completethesentencecorrectly.5.The8thunitcovers"wouldrather"forpreferences.Completethesentence:"I______(stay)homethan______(go)tothecinema."Answer:wouldratherstay/goExplanation:"Wouldrather"isfollowedbythebaseformoftheverb.Thefirstblankis"wouldratherstay,"andthesecond"go."6.Completethesentenceusing"usedto"todescribeapasthabit:"She______(play)theguitar,butshe______(play)anymore."Answer:usedtoplay/doesn’tExplanation:"Usedto"requiresthebaseform("play"),andthepresenttense("doesn’t")showsthechange.7.The8thunitexplains"asif/though"forhypotheticalsituations.Completethesentence:"Heacts______(know)theanswer,althoughhedoesn’t."Answer:asifheknowsExplanation:"Asif"requiresthebaseform("knows"),andthesubject("he")isimpliedintheblank.8.Completethesentenceusing"soasto"toexpresspurpose:"Shesavedmoney______(buy)anewcar."Answer:soastobuyExplanation:"Soasto"isfollowedbythebaseform("buy").9.Completethesentencewith"hadbetter"togiveadvice:"You______(leave)now______(be)late."Answer:hadbetterleave/tobeExplanation:"Hadbetter"requiresthebaseform("leave"),and"tobe"completesthepurposeclause.10.Completethesentencecontrasting"must"and"haveto":"You______(submit)thereportbyFriday,butyou______(submit)itbyWednesday."Answer:must/don’thavetoExplanation:"Must"expressesstrongernecessity,while"haveto"islessemphatic.Thefirstblankis"must,"andthesecond"don’thaveto."三、判断题（总共10题，每题2分，共20分）1.Thesentence"Sheistootiredtogotobed"isgrammaticallycorrect.Answer:TrueExplanation:Thestructure"too+adjective+to+verb"isvalid,sothesentenceiscorrect.2."Suchadifficultexam"isgrammaticallycorrect.Answer:FalseExplanation:"Such"requiresanoun("adifficultexam"),notanadjectivealone.Thecorrectformis"such+a+adjective+noun."3."WhileIwasstudying,themusicwasplaying"correctlyuses"while"toshowsimultaneousactions.Answer:TrueExplanation:"While"isappropriatehere,andthepastcontinuoustensealignswiththecontext.4."Hewouldrathertogototheparty"isgrammaticallycorrect.Answer:FalseExplanation:"Wouldrather"requiresthebaseformoftheverb("go"),not"togo."Thecorrectformis"wouldrathergo."5."Thebookwaswrittenbyafamousauthor"isinthepassivevoice.Answer:TrueExplanation:Thepassivevoiceuses"be+pastparticiple,"andthesubject("thebook")receivestheaction.6."Youhadbettertofinishyourhomework"isgrammaticallycorrect.Answer:FalseExplanation:"Hadbetter"requiresthebaseformoftheverb("finish"),not"tofinish."Thecorrectformis"hadbetterfinish."7."Must"and"haveto"areinterchangeableinallcontexts.Answer:FalseExplanation:"Must"expressesstrongerobligationthan"haveto."Forexample,"Youmustleave"ismoreurgentthan"Youhavetoleave."8."Sheactsasthoughsheknowstheanswer"isgrammaticallycorrect.Answer:TrueExplanation:"Asthough"isavalidalternativeto"asif,"andthesentencestructureiscorrect.9."Iusedtoplaythepiano,butIdon’tplayanymore"isgrammaticallycorrect.Answer:TrueExplanation:"Usedto"isfollowedbythebaseform("play"),andthepresenttenseshowsthechange.10."Theexamwassothatmanystudentsfailed"isgrammaticallycorrect.Answer:FalseExplanation:"Such"requiresanoun("adifficultexam"),notanadjectivealone.Thecorrectformis"Theexamwassuchthatmanystudentsfailed."四、简答题（总共8题，每题2分，共16分）1.Explainthedifferencebetween"while"and"as"intermsoftime.Answer:-"While"isusedfortwoactionshappeningatthesametime,oftenwithacontrast.Example:"Whileshewassleeping,thephonerang."-"As"isusedforactionshappeningaroundthesametimebutwithoutcontrast.Example:"Asshewassleeping,thephonerang."Explanation:Thekeydifferenceiscontrast("while")vs.simultaneitywithoutcontrast("as").2.HowdoyouformthepassivevoiceinEnglish?Answer:-Use"be+pastparticiple."-Example:"Thebookwaswrittenbyafamousauthor."Explanation:Thepassivevoiceshiftsthefocusfromthedoertothereceiveroftheaction.3.Whatisthepurposeof"wouldrather"inasentence?Answer:-Expressespreferencebetweentwoalternatives.-Example:"Iwouldratherstayhomethangotothecinema."Explanation:"Wouldrather"isfollowedbythebaseformoftheverb.4.Whyis"must"strongerthan"haveto"?Answer:-"Must"expressesabsolutenecessity.-"Haveto"islessemphatic.-Example:"Youmustleave"vs."Youhavetoleave."Explanation:"Must"impliesastrongerobligationorurgency.5.Howdoyouuse"so...that..."toshowaresult?Answer:-"So+adjective+that+clause."-Example:"Theboxwassoheavythatwecouldn’tliftit."Explanation:Thefirstpartdescribestheintensity,andthesecondpartshowstheconsequence.6.Whatisthecorrectstructurefor"hadbetter"?Answer:-"Hadbetter+baseformofverb."-Example:"Youhadbetterleavenowtoavoidbeinglate."Explanation:"Hadbetter"isusedforstrongadviceorwarnings.7.Howdoyouuse"asif/though"todescribeanunrealsituation?Answer:-Followedbythebaseformorpastsubjunctive.-Example:"Heactsasifheknowstheanswer."Explanation:Thestructureisusedtoexpresshypotheticalorunrealconditions.8.Whatisthedifferencebetween"too...to..."and"so...that..."?Answer:-"Too...to..."expressesinability.Example:"Heistootiredtogo."-"So...that..."showsaresult.Example:"Hewassotiredthathefellasleep."Explanation:Theformerindicatesalackofability,whilethelatterdescribesaconsequence.五、应用题（总共8题，每题4分，共24分）1.Transformtheactivesentence"Theteacherexplainedtheconcepttothestudents"intothepassivevoice.Answer:-"Theconceptwasexplainedtothestudentsbytheteacher."Explanation:Thepassivevoiceshiftsthefocusfromtheteachertotheconcept.2.Completethesentence:"Sheistoo______(busy)______(answer)thephone."Answer:-"Sheistoobusytoanswerthephone."Explanation:Thestructure"too+adjective+to+verb"iscorrect.3.Completethesentenceusing"wouldrather":"I______(stay)homethan______(go)totheparty."Answer:-"Iwouldratherstayhomethangototheparty."Explanation:"Wouldrather"requiresthebaseformoftheverb.4.Completethesentencewith"hadbetter":"You______(leave)now______(be)late."Answer:-"Youhadbetterleavenowtoavoidbeinglate."Explanation:"Hadbetter"isfollowedbythebaseform,and"toavoidbeinglate"explainsthepurpose.5.Completethesentenceusing"so...that...":"Theexamwas______(difficult)______(manystudents)fail."Answer:-"Theexamwassodifficultthatmanystudentsfailed."Explanation:"So...that..."showsaresult,with"so+adjective"and"that+clause."6.Completethesentencewith"asif/though":"Heacts______(know)theanswer,althoughhedoesn’t."Answer:-"Heactsasifheknowstheanswer,althoughhedoesn’t."Explanation:"Asif"describesahypotheticalsituation,withthebaseform"knows."7.Completethesentenceusing"usedto":"She______(play)thepianowhenshewasachild,butshedoesn’tanymore."Answer:-"Sheusedtoplaythepianowhenshewasachild,butshedoesn’tanymore."Explanation:"Usedto"indicatesapasthabit,followedbythebaseform"play."8.Completethesentencecontrasting"must"and"haveto":"You______(submit)thereportbyFriday,butyou______(submit)itbyWednesday."Answer:-"YoumustsubmitthereportbyFriday,butyoudon’thavetosubmititbyWednesday."Explanation:"Must"expressesstrongernecessity,while"haveto"islessemphatic.【标准答案及解析】一、单项选择题1.A2.A3.A4.A5.A6.A7.A8.C9.B10.A二、填空题1.wascooking/waslistening2.heavy/thatwe3.waswritten4.tootired/togo5.wouldratherstay/go6.usedtoplay/doesn’t7.asifheknows8.soastobuy9.hadbetterleave/tobe10.must/don’thaveto三、判断题1.True2.False3.True4.False5.True6.False7.False8.True9.True10.False四、简答题1."While"isforsimultaneousactionswithcontrast,w