2025-2026年天津市北师大版高三英语第3单元语法练习题

2025-2026年天津市北师大版高三英语第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.AccordingtothegrammarrulesinUnit3ofthe2025-2026TianjinBeishidueditionseniorhighschoolEnglishcurriculum,whichofthefollowingsentencescorrectlyusestheperfectcontinuoustensetodescribeanactionthatstartedinthepastandcontinuesuptothepresentmoment?A.Shehasbeenwritinganovelforfiveyears.B.Hewillhavefinishedhishomeworkbytomorrow.C.TheywereplayingbasketballwhenIarrived.D.Thetrainhasalreadyleftforhours.Answer:AExplanation:OptionAiscorrectbecauseitemploystheperfectcontinuoustense("hasbeenwriting")toemphasizeanongoingactionthatbeganinthepastandpersistsuntilthepresent.OptionBusesthefutureperfecttense("willhavefinished"),whichindicatesanactionthatwillbecompletedinthefuture.OptionCusesthepastcontinuoustense("wereplaying"),whichdescribesanactioninprogressataspecificpastmoment.OptionDcontainsalogicalinconsistency("hasalreadyleftforhours"),asthepresentperfecttense("hasleft")cannotbecombinedwithadurationphraselike"forhours"inthiscontext.2.InUnit3,thegrammarsectionfocusesonthedistinctionbetween"usedto"and"would"toexpresspasthabits.Whichsentencecorrectlyuses"would"todescribeahabitualactioninthepast?A.Sheusedtoplaythepianoeveryday.B.Hewouldgotothelibrarywheneverhehadfreetime.C.Theywouldhavevisitedthemuseumiftheyhadknownaboutit.D.Theyusedtobefriendsbutnolongerare.Answer:BExplanation:OptionBiscorrectbecause"would"isusedtodescribeahabitualpastactionthatwasregularlyperformedundercertainconditions.OptionAuses"usedto,"whichisappropriateforexpressingapasthabitthatnolongerexists.OptionCemploystheconditionalperfect("wouldhavevisited"),whichdescribesahypotheticalpastaction.OptionDincorrectlymixes"usedto"andthepresenttense,creatinganawkwardphrasing.3.Unit3introducesthestructure"Itisimportant/necessary/essential+that+subject+(should)+verb(baseform)."Whichsentencecorrectlyusesthisstructuretoexpressnecessity?A.Itisimportantthatheshouldfinishthereportimmediately.B.Itisnecessaryforustofollowtherulesstrictly.C.Itisessentialthattheymustattendthemeetingtomorrow.D.Itisimportantthatshewillsubmittheapplicationontime.Answer:AExplanation:OptionAiscorrectbecauseitfollowstherequiredstructure:"Itisimportantthat+subject+(should)+verb(baseform)."Themodal"should"isoptionalbutcommonlyusedinformalcontexts.OptionBusesaninfinitivephrase("forustofollow"),whichisgrammaticallyincorrectinthisstructure.OptionCincorrectlyuses"must"insteadoftheverbbaseform.OptionDemploysthefuturetense("willsubmit"),whichdoesnotfittherequiredstructure.4.InUnit3,studentslearnaboutthepassivevoicewithmodalverbs.Whichsentencecorrectlyusesthepassivevoicewith"must"toexpressnecessity?A.Thereportmustbefinishedbytomorrow.B.Themeetingmustattendbyeveryone.C.Theapplicationmustbesubmittedontime.D.Therulesmustfollowstrictlybyus.Answer:CExplanation:OptionCiscorrectbecauseitusesthepassivevoice("mustbesubmitted")withthemodalverb"must"toindicateanecessity.OptionAisalsogrammaticallycorrectbutusesthesimplepresentpassive("mustbefinished").OptionBisincorrectbecause"attend"cannotbedirectlyfollowedbythepassivestructure;itshouldbe"mustbeattended."OptionDusesanincorrectpassiveconstruction("mustfollowbyus").5.Unit3coverstheuseof"so...that..."and"such...that..."toexpressdegree.Whichsentencecorrectlyuses"so...that..."todescribearesult?A.Shewassotiredthatshefellasleepimmediately.B.Thetestwassuchdifficultthatnoonecouldfinishit.C.Heissosmartastosolvetheproblemeasily.D.Thebookwassoboringthatitmademesleepy.Answer:DExplanation:OptionDiscorrectbecauseituses"so...that..."toconnectanadjective("boring")witharesultclause("mademesleepy").OptionAisalsocorrectbutuses"sotired"insteadofanadjective.OptionBincorrectlyuses"such"withanadjective("difficult")insteadofanounphrase.OptionCuses"so...asto,"whichisgrammaticallycorrectbutlesscommoninformalwritingcomparedto"so...that...".6.InUnit3,thegrammarsectionemphasizestheuseof"too...to..."toexpressinability.Whichsentencecorrectlyusesthisstructure?A.Heistootiredtogotobedearly.B.Theproblemistoodifficulttosolvequickly.C.Sheistooyoungtodriveacar.D.Theexamwastooeasytofinishintime.Answer:CExplanation:OptionCiscorrectbecauseituses"too...to..."toindicateaninabilityduetoage("tooyoungtodrive").OptionAandBarealsogrammaticallycorrectbutdescribedifferentscenarios.OptionDisincorrectbecause"tooeasy"doesnotfitthestructureofexpressinginability;itshouldbe"toodifficulttosolvequickly."7.Unit3introducestheuseof"notonly...butalso..."toconnecttwoclauses.Whichsentencecorrectlyusesthisstructurewithparallelverbs?A.Shenotonlysingsbeautifullybutalsodancesgracefully.B.Henotonlywrotethereportbutalsosubmitteditontime.C.Theynotonlyarestudentsbutalsoaremembersoftheclub.D.Themovienotonlywasinterestingbutalsowasboring.Answer:AExplanation:OptionAiscorrectbecauseitusesparallelverbs("sings"and"dances")after"notonly...butalso..."tomaintaingrammaticalbalance.OptionBusesparallelverbs("wrote"and"submitted"),butthestructureisslightlyawkward;amorenaturalphrasingwouldbe"Henotonlywrotethereportbutalsosubmittedit."OptionCusesparallelverbs("arestudents"and"aremembers"),butthestructureisrepetitive.OptionDusescontradictoryadjectives("interesting"and"boring"),whichmakesthesentenceillogical.8.InUnit3,studentslearnabouttheuseof"incase"toexpressapossibility.Whichsentencecorrectlyuses"incase"tointroduceaconditionalclause?A.Shetookanumbrellaincaseitrainstomorrow.B.Hewillcallyouincaseyouneedhelp.C.Theywenttothepartyincasetheymissedthebus.D.Iboughtsnacksincasewegethungry.Answer:BExplanation:OptionBiscorrectbecauseituses"incase"tointroduceapotentialfuturesituation("youneedhelp").OptionAisgrammaticallyincorrect;itshouldbe"incaseitrains."OptionCuses"incase"incorrectlytoexpressapastpossibility.OptionDisgrammaticallycorrectbutlesscommoninformalwritingcomparedtoOptionB.9.Unit3coverstheuseof"soasto"toexpresspurpose.Whichsentencecorrectlyuses"soasto"toindicateintention?A.Hestudiedhardsoastopasstheexam.B.Shespokeslowlysoastobeunderstood.C.Theyarrivedearlysoastocatchthetrain.D.Theteachergavethemextratimesoastofinishthetest.Answer:DExplanation:OptionDiscorrectbecauseituses"soasto"toexpressthepurposeofgivingextratime("soastofinishthetest").OptionAandBarealsogrammaticallycorrectbutdescribedifferentscenarios.OptionCisgrammaticallycorrectbutlesscommoninformalcontextscomparedtoOptionD.10.InUnit3,thegrammarsectionincludestheuseof"enough"withadjectivesandadverbs.Whichsentencecorrectlyuses"enough"withanadjective?A.Sheistallenoughtoreachtheshelf.B.Herunsfastenoughtowintherace.C.Thebookisinterestingenoughtoread.D.Theyareoldenoughtodrive.Answer:CExplanation:OptionCiscorrectbecauseituses"enough"withanadjective("interesting")toindicatesufficiency.OptionAandDuse"enough"withadjectives("tall"and"old"),butthephrasingisslightlyawkward;morenaturalalternativeswouldbe"Sheistallenoughtoreachtheshelf"or"Theyareoldenoughtodrive."OptionBuses"enough"withanadverb("fast"),whichisgrammaticallycorrectbutdifferentfromtherequiredstructure.二、填空题（总共10题，每题2分，共20分）1.Thecompanyhasbeenworkingontheproject______itwasfirstproposedlastyear.Answer:sinceExplanation:Theword"since"isusedtoindicateadurationoftimethatstartedinthepastandcontinuestothepresent.Thesentencedescribesanongoingaction("hasbeenworking")thatbeganwiththeproposaloftheproject.2.She______tothepartylastnight,butshewastootiredtostaylong.Answer:wentExplanation:Thepasttense"went"isusedtodescribeacompletedactioninthepast.Thesentenceindicatesthatsheattendedthepartybutleftearlyduetofatigue.3.IfI______moretime,Iwouldhavefinishedtheassignment.Answer:hadhadExplanation:Thesentenceisasecondconditional,whichrequiresthepastperfecttense("hadhad")inthe"if"clausetodescribeahypotheticalpastsituation.4.Itisimportant______everyonetofollowtherules.Answer:forExplanation:Thestructure"Itisimportantfor+subject+to+verb"isusedtoexpressnecessity.Theword"for"isrequiredbeforethesubject.5.Themanageraskedifwe______thedeadlinebyFriday.Answer:couldmeetExplanation:Thesentenceusesamodalverb("could")inthepasttensetoexpressabilityorpossibilityinthepast.Thestructure"could+baseverb"iscorrect.6.Theyweresurprised______theysawtheresultsoftheexperiment.Answer:whenExplanation:Theword"when"isusedtointroduceatimeclausethatdescribesaneventthatoccurredataspecificmomentinthepast.7.Thebookis______interestingthatIcouldn’tputitdown.Answer:soExplanation:Theword"so"isusedinthe"so...that..."structuretoindicateadegreethatresultsinaspecificeffect.8.Heis______busy______hedoesn’thavetimeforhobbies.Answer:too/toExplanation:Thestructure"too+adjective+to+verb"isusedtoexpressinabilityduetoexcess.9.Shewillcallyou______shearriveshome.Answer:assoonasExplanation:Thephrase"assoonas"isusedtointroduceatimeclausethatindicatesanactionwillhappenimmediatelyafteranotheraction.10.Thetestwas______difficult______noonecouldanswerallthequestions.Answer:so/thatExplanation:Thestructure"so+adjective+that..."isusedtoconnectanadjectivewitharesultclause.三、判断题（总共10题，每题2分，共20分）1.Thepassivevoicecanbeusedwithmodalverbstoexpressnecessity,suchas"Thereportmustbefinishedbytomorrow."Answer:CorrectExplanation:Thepassivevoicewithmodalverbsisgrammaticallycorrectandcommonlyusedtoindicateobligationornecessity.2."Usedto"and"would"canbeusedinterchangeablytoexpresspasthabits.Answer:IncorrectExplanation:"Usedto"isusedtodescribeapasthabitthatnolongerexists,while"would"isusedtodescribehabitualactionsinthepastthatmaystilloccur.Theyarenotinterchangeable.3.Thestructure"Itisimportantthat+subject+(should)+verb(baseform)"isusedtoexpresssuggestions.Answer:IncorrectExplanation:Thisstructureisusedtoexpressimportanceornecessity,notsuggestions.Suggestionsaretypicallyexpressedwith"Itissuggestedthat..."or"Isuggestthat...".4."Too...to..."canbeusedwithnounstoexpressinability.Answer:IncorrectExplanation:"Too...to..."mustbeusedwithadjectivesoradverbs,notnouns.Forexample,"Heistootiredtosleep"(correct)vs."Heistootirednesstosleep"(incorrect).5."Incase"and"if"canbeusedinterchangeablytointroduceconditionalclauses.Answer:IncorrectExplanation:"Incase"isusedtoexpressapossibilityorcontingency,while"if"isusedformoregeneralconditions.Theyarenotinterchangeable.6.Thestructure"soasto"ismoreformalthan"inorderto."Answer:CorrectExplanation:"Soasto"istypicallyusedinmoreformalwriting,while"inorderto"ismorecommonininformalcontexts.7."Enough"canbeplacedbeforeanountoindicatesufficiency.Answer:IncorrectExplanation:"Enough"mustbeplacedafteranounoradjective,notbeforeit.Forexample,"Thereisenoughtime"(correct)vs."Thereistimeenough"(incorrect).8.Thepassivevoicecannotbeusedwithmodalverbsinthefuturetense.Answer:IncorrectExplanation:Thepassivevoicecanbeusedwithmodalverbsinthefuturetense,suchas"Thereportwillbefinishedbytomorrow."9."Notonly...butalso..."mustalwaysbefollowedbyparallelstructures.Answer:CorrectExplanation:Thestructurerequiresparallelverbs,nouns,adjectives,oradverbstomaintaingrammaticalbalance.10."Such...that..."canbeusedwithadjectivestoexpressdegree.Answer:CorrectExplanation:Thestructure"such+adjective+that..."isusedtoconnectanadjectivewitharesultclause.四、简答题（总共8题，每题2分，共16分）1.Explainthedifferencebetween"usedto"and"would"inexpressingpasthabits.Answer:"Usedto"isusedtodescribeapasthabitthatnolongerexists,while"would"isusedtodescribehabitualactionsinthepastthatmaystilloccur.Forexample,"Sheusedtoplaythepianoeveryday"(nolongerplays)vs."Hewouldplaythepianoeveryday"(maystillplay).2.Describethestructure"Itisimportantthat+subject+(should)+verb(baseform)"andprovideanexample.Answer:Thisstructureisusedtoexpressimportanceornecessity.Themodal"should"isoptionalbutoftenusedinformalcontexts.Example:"Itisimportantthathe(should)arriveontime."3.Howdoesthepassivevoicewithmodalverbsdifferfromtheactivevoicewithmodals?Answer:Inthepassivevoice,thesubjectreceivestheaction,whileintheactivevoice,thesubjectperformstheaction.Forexample,"Thereportmustbefinished"(passive)vs."Hemustfinishthereport"(active).4.Explaintheuseof"so...that..."and"such...that..."toexpressdegree.Answer:"So...that..."connectsanadjective/adverbwitharesultclause,while"such...that..."connectsanounphrasewitharesultclause.Example:"Shewassotiredthatshefellasleep"vs."ThebookwassointerestingthatIcouldn’tputitdown."5.Whatisthepurposeofusing"too...to..."toexpressinability?Answer:Thestructure"too+adjective/adverb+to+verb"indicatesthatapersonorthinglacksthenecessaryabilityorqualitytoperformanaction.Example:"Heistootiredtowalk."6.Howdoes"incase"differfrom"if"inintroducingconditionalclauses?Answer:"Incase"isusedtoexpressapossibilityorcontingency,oftenimplyingaplanforanunlikelyevent."If"isusedformoregeneralconditions.Example:"Shetookanumbrellaincaseitrains"vs."Shewillcallyouifyouneedhelp."7.Describetheuseof"soasto"toexpresspurpose.Answer:"Soasto"isusedtoindicateintentionorpurpose,ofteninmoreformalwriting.Example:"Hestudiedhardsoastopasstheexam."8.Whyisparallelismimportantinthestructure"Notonly...butalso..."?Answer:Parallelismensuresgrammaticalbalancebyrequiringthesamegrammaticalform(e.g.,verbs,nouns)after"notonly...butalso..."tomaintainclarityandcoherence.Example:"Shenotonlysingsbeautifullybutalsodancesgracefully."五、应用题（总共8题，每题4分，共24分）1.Rewritethefollowingsentenceusingthepassivevoicewith"must":"Thecommitteemustapprovetheproposal."Answer:Theproposalmustbeapprovedbythecommittee.Explanation:Thepassivevoiceshiftsthefocustothereceiveroftheaction("theproposal")ratherthantheperformer("thecommittee").2.Transformthefollowingsentenceintothepastperfectcontinuoustense:"Shewillhavebeenstudyingforthreehoursbythetimetheexamstarts."Answer:Shewillhavebeenstudyingforthreehoursbythetimetheexamstarted.Explanation:Thepastperfectcontinuoustenseisusedtodescribeanongoingactionthatwillcontinueuptoaspecificpastmoment.3.Use"so...that..."toexpresstheresultofthesentence:"Hewasverytired;hefellasleepimmediately."Answer:Hewassotiredthathefellasleepimmediately.Explanation:Thestructure"so+adjective+that..."connectsthecause("verytired")withtheeffect("fellasleepimmediately").4.Rewritethefollowingsentenceusing"incase":"Ifitrainstomorrow,wewilltakeanumbrella."Answer:Wewilltakeanumbrellaincaseitrainstomorrow.Explanation:"Incase"introducesacontingency,indicatingaplanforapossiblefutureevent.5.Use"notonly...butalso..."tocombinethefollowingtwosentences:"Sheisintelligent.Sheishardworking."Answer:Sheisnotonlyintelligentbutalsohardworking.Explanation:Thestructurecombinestwoparalleladjectives("intelligent"and"hardworking")toemphasizebothqualities.6.Rewritethefollowingsentenceusingthefutureperfecttensewith"willhave":"Bynextyear,hewillcompletetheproject."Answer:Bynextyear,hewillhavecompletedtheproject.Explanation:Thefutureperfecttense("willhavecompleted")indicatesanactionthatwillbecompletedbeforeaspecificfuturetime.7.Use"too...to..."toexpresstheresultofthesentence:"Theproblemisdifficult;theycannotsolveitquickly."Answer:Theproblemistoodifficultforthemtosolvequickly.Explanation:Thestructure"too+adjective+to+verb"indicatesinabilityduetoexcessdifficulty.8.Rewritethefollowingsentenceusingthepassivevoicewith"should":"Themanagershouldreviewthereport."Answer:Thereportshouldbereviewedbythemanager.Explanation:Thepassivevoicewith"should"isusedtoexpressarecommendationorobligationinaformalcontext.【标准答案及解析】一、单项选择题1.AExplanation:Theperfectcontinuoustense("hasbeenwriting")correctlydescribesanongoingactionfromthepasttothepresent.2.BExplanation:"Would"isusedforhabitualpastactionsundercertainconditions.3.AExplanation:Therequiredstructure"Itisimportantthat+subject+(should)+verb(baseform)"iscorrectlyused.4.CExplanation:Thepassivevoicewith"must"("mustbesubmitted")isgrammaticallycorrect.5.DExplanation:"So...that..."correctlyconnectstheadjective("boring")witharesultclause.6.CExplanation:"Tooyoungtodrive"correctlyusesthestructuretoexpressinability.7.AExplanation:Parallelverbs("sings"and"dances")maintaingrammaticalbalance.8.BExplanation:"Incase"introducesaconditionalclauseaboutafuturepossibility.9.DExplanation:"Soasto"isusedtoexpressthepurposeofgivingextratime.10.CExplanation:"Enough"mustbeplacedaftertheadjective("interesting").二、填空题1.sinceExplanation:"Since"indicatesadurationfromthepasttothepresent.2.wentExplanation:Thepasttense"went"describesacompletedpastaction.3.hadhadExplanation:Thepastperfecttenseisrequiredinthe"if"clauseofasecondconditional.4.forExplanation:"Itisimportantfor+subject+to+verb"isthecorrectstructure.5.couldmeetExplanation:Themodal"could"expressesabilityinthepast.6.whenExplanation:"When"introducesatimeclauseinthepast.7.soExplanation:"So...that..."connectsanadjectivewitharesultclause.8.too/toExplanation:"Too+adjective+to+verb"expressesinabilityduetoexcess.9.assoonasExplanation:"Assoonas"indicatesanimmediatefutureaction.10.so/thatExplanation:"So+adjective+that..."connectsanadjectivewitharesultclause.三、判断题1.Correct2.Incorrect3.Incorrect4.Incorrect5.Incorrect6.Correct7.Incorrect8.Incorrect9.Correct10.Correct四、简答题1."Usedto"describesapasthabitthatnolongerexists,while"would"describeshabitualactionsinthepastthatmaystilloccur.2.Thestructure"Itisimportantthat+subject+(should)+verb(baseform)"expressesimportanceornecessity.Example:"Itisimportantthathe(