2026年海南省苏教版初中英语下册第12单元语法专项练习题

2026年海南省苏教版初中英语下册第12单元语法专项练习题一、单项选择题（总共10题，每题2分，共20分）1.The12thunitofthe2026HainaneditionoftheSujiaoversionjuniorhighschoolEnglishtextbookfocusesonthegrammaticalstructureof"can/could"forabilityandpermission.Whichsentencecorrectlyexpressesability?A.Shecangotothepartybecauseshehasfinishedherhomework.B.Hecouldnotopenthewindowbecauseitwastooheavy.C.MayIcouldborrowyourpenforamoment?D.Theycan’tplaytheguitarbecausetheydon’tpractice.Answer:AExplanation:OptionAcorrectlyuses"can"toexpressability,asthesentencestates"shecango"duetohercompletinghomework.OptionBuses"couldnot"toexpresspastinability,notpresentability.OptionCisgrammaticallyincorrectbecause"mayI"alreadyimpliespermission,and"could"isunnecessary.OptionDuses"can’t"toexpressinability,notability.Thequestionteststhecorrectusageof"can"forabilityinpresenttensecontexts.2.Inthe12thunit,thegrammarpoint"must/mustn’t"fornecessityandprohibitionisemphasized.Whichsentencecorrectlyexpressesprohibition?A.Youmuststudyhardtopasstheexam.B.Studentsmustn’tbringmobilephonestoschool.C.Shemustgotothelibrarybecausesheneedstoborrowabook.D.Hemustn’twearjeanstotheformalevent.Answer:BExplanation:OptionBcorrectlyuses"mustn’t"toprohibitbringingmobilephonestoschool,whichisacommonruleineducationalsettings.OptionAuses"must"toexpressnecessity,notprohibition.OptionCuses"must"toexpressnecessity,notprohibition.OptionDuses"mustn’t"butthecontextisunclear;however,"mustn’t"isgrammaticallycorrectforprohibition.Thequestionteststhedistinctionbetween"must"and"mustn’t"fornecessity/prohibition.3.The12thunitintroducesthegrammarstructure"begoingto"forfutureplans.Whichsentencecorrectlyexpressesafutureplan?A.Shewillvisithergrandparentsnextweekend.B.Heisgoingtobuyanewcarbecausehisoldonebrokedown.C.Theymaygotothecinemaifitdoesn’train.D.Itmightsnowtomorrow,soweshouldpreparewarmclothes.Answer:BExplanation:OptionBcorrectlyuses"begoingto"toexpressaplannedfutureaction("heisgoingtobuyanewcar").OptionAuses"will"forafuturedecision,notaplan.OptionCuses"may"forpossibility,notcertainty.OptionDuses"might"forpossibilityand"should"foradvice,notaplan.Thequestionteststhecorrectusageof"begoingto"forfutureplans.4.Inthe12thunit,thegrammarpoint"usedto"forpasthabitsiscovered.Whichsentencecorrectlyexpressesapasthabit?A.Heusedtoplaybasketballeverydaywhenhewasachild.B.Shewillusetostudylateatnightbecauseshehasexams.C.Theyusedtogototheparkbutnowtheydon’t.D.Hehasusedtotravelingabroadeverysummer.Answer:AExplanation:OptionAcorrectlyuses"usedto"todescribeapasthabit("heusedtoplaybasketball").OptionBuses"willuseto"incorrectly;"will"isforfuture,and"usedto"isforpast.OptionCuses"usedto"forpasthabitbutthesentencestructureisawkward.OptionDuses"hasusedto,"whichisgrammaticallyincorrect;thecorrectformis"isusedto"forpresenthabitor"usedto"forpasthabit.Thequestionteststhecorrectusageof"usedto"forpasthabits.5.The12thunitincludesthegrammarstructure"therebe"forexistence.Whichsentencecorrectlyuses"therebe"?A.Thereisabookonthetable.B.Therehaveacatunderthechair.C.Therearemanypeopleintheroom.D.Thereisgoingtobeameetingtomorrow.Answer:AExplanation:OptionAcorrectlyuses"thereis"forasingularnoun("abook").OptionBisgrammaticallyincorrect;itshouldbe"thereisacat"or"therearecats."OptionCcorrectlyuses"thereare"forpluralnouns("manypeople").OptionDuses"thereisgoingtobe,"whichisgrammaticallycorrectbutnotthemostnaturalform;"therewillbe"ismorecommon.Thequestionteststhecorrectusageof"therebe"forexistence.6.Inthe12thunit,thegrammarpoint"too...to..."forinabilityisemphasized.Whichsentencecorrectlyusesthisstructure?A.Sheistootiredtogotobedearly.B.Hecanruntoofasttocatchthebus.C.Theyaretoomanypeopletositinthecar.D.Itistoodarktoseeanythingclearly.Answer:DExplanation:OptionDcorrectlyuses"too...to..."toexpressinability("itistoodarktosee").OptionAcorrectlyusesthestructurebutislesscommoninthiscontext.OptionBisgrammaticallyincorrect;itshouldbe"Hecanruntoofasttocatchthebus."OptionCisgrammaticallyincorrect;itshouldbe"Therearetoomanypeopletositinthecar."Thequestionteststhecorrectusageof"too...to..."forexpressinginability.7.The12thunitintroducesthegrammarstructure"so...that..."forresults.Whichsentencecorrectlyusesthisstructure?A.Hewassotiredthathefellasleepimmediately.B.Sheissobeautifulthateveryonelovesher.C.Theexamwassodifficultthattheycouldn’tfinishit.D.Theywenttothepartysothattheycouldseetheirfriends.Answer:CExplanation:OptionCcorrectlyuses"so...that..."toexpressaresult("theexamwassodifficultthattheycouldn’tfinishit").OptionAcorrectlyusesthestructurebutislesscommoninthiscontext.OptionBcorrectlyusesthestructurebutissubjective.OptionDuses"sothat"forpurpose,notresult.Thequestionteststhecorrectusageof"so...that..."forexpressingresults.8.Inthe12thunit,thegrammarpoint"how/whatabout...?"forsuggestionsiscovered.Whichsentencecorrectlyusesthisstructure?A.Howaboutwegotothemoviestonight?B.Whataboutyougototheparktomorrow?C.Howabouttheyshouldstudytogether?D.Whataboutshecallsyoulater?Answer:AExplanation:OptionAcorrectlyuses"Howaboutwegotothemoviestonight?"asasuggestion.OptionBisgrammaticallyincorrect;itshouldbe"Whataboutyougoingtotheparktomorrow?"OptionCisgrammaticallyincorrect;itshouldbe"Howabouttheystudytogether?"OptionDisgrammaticallyincorrect;itshouldbe"Whataboutshecallingyoulater?"Thequestionteststhecorrectusageof"how/whatabout...?"formakingsuggestions.9.The12thunitincludesthegrammarstructure"if/whether"forconditionalsentences.Whichsentencecorrectlyuses"if"?A.Ifyoustudyhard,youwillpasstheexam.B.Shewillpasstheexamifshestudiedhard.C.Ifshewillstudyhard,shewillpasstheexam.D.Whetheryoustudyhardornot,youwillpasstheexam.Answer:AExplanation:OptionAcorrectlyuses"if"toexpressacondition("ifyoustudyhard,youwillpass").OptionBuses"if"incorrectly;theclausesshouldbereversed.OptionCisgrammaticallyincorrect;itshouldbe"Ifshestudieshard,shewillpass."OptionDuses"whether,"not"if."Thequestionteststhecorrectusageof"if"forconditionalsentences.10.The12thunitintroducesthegrammarstructure"sothat"forpurpose.Whichsentencecorrectlyuses"sothat"?A.Hestudiedlateatnightsothathecouldpasstheexam.B.Shewenttothelibrarysothatshestudyforthetest.C.Theyleftearlysothattheyarriveontime.D.Hespokeslowlysothatsheunderstandhim.Answer:AExplanation:OptionAcorrectlyuses"sothat"toexpresspurpose("hestudiedlateatnightsothathecouldpass").OptionBisgrammaticallyincorrect;itshouldbe"sothatshecouldstudy."OptionCisgrammaticallyincorrect;itshouldbe"sothattheycouldarrive."OptionDisgrammaticallyincorrect;itshouldbe"sothatshecouldunderstand."Thequestionteststhecorrectusageof"sothat"forexpressingpurpose.二、填空题（总共10题，每题2分，共20分）1.The12thunitofthe2026HainaneditionoftheSujiaoversionjuniorhighschoolEnglishtextbookemphasizestheuseof"can"toexpressability.Forexample,"She______swimverywell."Answer:canExplanation:Thesentencerequiresamodalverbtoexpressability."Can"isthecorrectchoicebecauseitindicatesskillorcapability.2.Inthe12thunit,thegrammarpoint"must/mustn’t"fornecessityandprohibitioniscovered.Completethesentence:"You______bringyourhomeworktoclasstomorrow."Answer:mustExplanation:Thesentencerequiresamodalverbtoexpressnecessity."Must"isthecorrectchoicebecauseitindicatesastrongobligation.3.The12thunitintroducesthegrammarstructure"begoingto"forfutureplans.Completethesentence:"They______buyanewcarnextyearbecausetheiroldoneisbroken."Answer:aregoingtoExplanation:Thesentencerequiresastructuretoexpressafutureplan."Begoingto"isthecorrectchoicebecauseitindicatesaplannedaction.4.Inthe12thunit,thegrammarpoint"usedto"forpasthabitsisemphasized.Completethesentence:"He______playfootballeverydaywhenhewasachild."Answer:usedtoExplanation:Thesentencerequiresastructuretoexpressapasthabit."Usedto"isthecorrectchoicebecauseitindicatesahabitthatnolongerexists.5.The12thunitincludesthegrammarstructure"therebe"forexistence.Completethesentence:"______manystudentsintheclassroom."Answer:ThereareExplanation:Thesentencerequiresastructuretoindicatetheexistenceofpluralnouns."Thereare"isthecorrectchoice.6.Inthe12thunit,thegrammarpoint"too...to..."forinabilityiscovered.Completethesentence:"Sheis______carrytheheavyboxalone."Answer:tooweaktoExplanation:Thesentencerequiresastructuretoexpressinability."Too...to..."isthecorrectchoice,and"tooweakto"fitsthecontext.7.The12thunitintroducesthegrammarstructure"so...that..."forresults.Completethesentence:"Theboxis______heavythatIcouldn’tliftit."Answer:soheavyasExplanation:Thesentencerequiresastructuretoexpressaresult."So...that..."isthecorrectchoice,and"soheavyas"fitsthecontext.8.Inthe12thunit,thegrammarpoint"how/whatabout...?"forsuggestionsiscovered.Completethesentence:"______wegototheparkthisweekend?"Answer:HowaboutExplanation:Thesentencerequiresastructuretomakeasuggestion."Howabout"isthecorrectchoice.9.The12thunitincludesthegrammarstructure"if/whether"forconditionalsentences.Completethesentence:"Ifit______tomorrow,wewillcancelthepicnic."Answer:rainsExplanation:Thesentencerequiresaverbinthepresenttensetoexpressacondition."Rains"isthecorrectchoicebecauseitisthecorrectformoftheverbinthe"if"clause.10.The12thunitintroducesthegrammarstructure"sothat"forpurpose.Completethesentence:"Hespokeslowly______shecouldunderstandhim."Answer:sothatExplanation:Thesentencerequiresastructuretoexpresspurpose."Sothat"isthecorrectchoice.三、判断题（总共10题，每题2分，共20分）1.Thesentence"Shecan’tplaythepianobecauseshedoesn’tpractice"correctlyexpressesability.Answer:FalseExplanation:Thesentenceuses"can’t"toexpressinability,notability.Thecorrectexpressionofabilitywouldbe"Shecanplaythepianobecauseshepractices."2."MustIgototheparty?"isacorrectwaytoaskforpermission.Answer:FalseExplanation:Thecorrectwaytoaskforpermissionis"MayIgototheparty?"or"CanIgototheparty?""Must"isusedforstrongobligation,notpermission.3."Heisgoingtovisithisgrandparentsnextmonth"correctlyexpressesapastplan.Answer:FalseExplanation:Thesentenceuses"isgoingto"forafutureplan,notapastplan.Thecorrectexpressionofapastplanwouldbe"Hevisitedhisgrandparentslastmonth."4."SheusedtoliveinLondonbutnowshedoesn’t"correctlyexpressesapasthabit.Answer:TrueExplanation:Thesentencecorrectlyuses"usedto"todescribeapasthabitthatnolongerexists.5."Thereisacatunderthechair"isgrammaticallycorrect.Answer:TrueExplanation:Thesentencecorrectlyuses"thereis"forasingularnoun.6."Heistootiredtogotobed"correctlyexpressesinability.Answer:TrueExplanation:Thesentencecorrectlyuses"too...to..."toexpressinability.7."Shewillpasstheexamsothatshecanstudyharder"correctlyexpressespurpose.Answer:FalseExplanation:Thesentenceuses"sothat"incorrectly;"sothat"isforresult,notpurpose.Thecorrectexpressionofpurposewouldbe"Shewillstudyhardersothatshecanpasstheexam."8."Howaboutyougotothemoviestonight?"isacorrectsuggestion.Answer:FalseExplanation:Thesentenceisgrammaticallyincorrect;itshouldbe"Howaboutyougoingtothemoviestonight?"or"Howaboutwegoingtothemoviestonight?"9."Ifshestudieshard,shewillpass"isacorrectconditionalsentence.Answer:TrueExplanation:Thesentencecorrectlyuses"if"toexpressacondition.10."Hespokeslowlysothatshecouldunderstandhim"correctlyexpressespurpose.Answer:TrueExplanation:Thesentencecorrectlyuses"sothat"toexpresspurpose.四、简答题（总共8题，每题2分，共16分）1.Explainthedifferencebetween"can"and"could"intermsofability.Answer:"Can"isusedforpresentability,while"could"isusedforpastabilityorpoliterequests.Forexample,"Shecanswim"(presentability)vs."Shecouldswim"(pastability).Explanation:Thequestionteststheunderstandingofthedifferencebetween"can"and"could"forability.2.Describehowtouse"must/mustn’t"fornecessityandprohibition.Answer:"Must"isusedforstrongnecessity,e.g.,"Youmustfinishyourhomework.""Mustn’t"isusedforprohibition,e.g.,"Youmustn’tsmokeintheclassroom."Explanation:Thequestionteststheunderstandingof"must/mustn’t"fornecessity/prohibition.3.Whyis"begoingto"usedforfutureplans?Answer:"Begoingto"isusedforfutureplansthathavealreadybeendecided,e.g.,"Wearegoingtovisitourgrandparentsnextweek."Explanation:Thequestionteststheunderstandingof"begoingto"forfutureplans.4.Howdoes"usedto"differfrom"beusedto"?Answer:"Usedto"expressespasthabitsthatnolongerexist,e.g.,"Heusedtoplayfootball.""Beusedto"expressesfamiliaritywithsomething,e.g.,"Heisusedtoplayingfootball."Explanation:Thequestionteststheunderstandingofthedifferencebetween"usedto"and"beusedto."5.Explainthestructure"therebe"forexistence.Answer:"Therebe"isusedtoindicatetheexistenceofsomething,e.g.,"Thereisabookonthetable."Explanation:Thequestionteststheunderstandingof"therebe"forexistence.6.Describehowtouse"too...to..."forinability.Answer:"Too...to..."isusedtoexpressinability,e.g.,"Sheistootiredtogotobed."Explanation:Thequestionteststheunderstandingof"too...to..."forinability.7.Explainthedifferencebetween"so...that..."forresultsand"sothat"forpurpose.Answer:"So...that..."isforresult,e.g.,"TheboxissoheavythatIcouldn’tliftit.""Sothat"isforpurpose,e.g.,"Hespokeslowlysothatshecouldunderstandhim."Explanation:Thequestionteststheunderstandingofthedifferencebetween"so...that..."and"sothat."8.Howdoyoumakesuggestionsusing"how/whatabout...?"Answer:"Howabout...?"isusedtomakesuggestions,e.g.,"Howaboutwegotothepark?"Explanation:Thequestionteststheunderstandingofmakingsuggestionsusing"how/whatabout...?"五、应用题（总共8题，每题4分，共24分）1.Rewritethefollowingsentenceusing"can"toexpressability:"Sheisabletoswimverywell."Answer:Shecanswimverywell.Explanation:Thequestionteststheabilitytorewriteasentenceusing"can"forability.2.Rewritethefollowingsentenceusing"must"toexpressnecessity:"Youneedtofinishyourhomework."Answer:Youmustfinishyourhomework.Explanation:Thequestionteststheabilitytorewriteasentenceusing"must"fornecessity.3.Rewritethefollowingsentenceusing"begoingto"toexpressafutureplan:"Theywillvisittheirgrandparentsnextmonth."Answer:Theyaregoingtovisittheirgrandparentsnextmonth.Explanation:Thequestionteststheabilitytorewriteasentenceusing"begoingto"forfutureplans.4.Rewritethefollowingsentenceusing"usedto"toexpressapasthabit:"Heplaysbasketballeveryday."Answer:Heusedtoplaybasketballeveryday.Explanation:Thequestionteststheabilitytorewriteasentenceusing"usedto"forpasthabits.5.Rewritethefollowingsentenceusing"thereis"toindicateexistence:"Manystudentsareintheclassroom."Answer:Therearemanystudentsintheclassroom.Explanation:Thequestionteststheabilitytorewriteasentenceusing"thereis"forexistence.6.Rewritethefollowingsentenceusing"too...to..."toexpressinability:"Sheistiredandcannotgotobed."Answer:Sheistootiredtogotobed.Explanation:Thequestionteststheabilitytorewriteasentenceusing"too...to..."forinability.7.Rewritethefollowingsentenceusing"so...that..."toexpressaresult:"Theboxisheavy,andIcannotliftit."Answer:TheboxissoheavythatIcannotliftit.Explanation:Thequestionteststheabilitytorewriteasentenceusing"so...that..."forresult.8.Rewritethefollowingsentenceusing"