2026年黑龙江省苏教版初中英语八年级下册第8章语法专项训练习题

2026年黑龙江省苏教版初中英语八年级下册第8章语法专项训练习题一、单项选择题（总共10题，每题2分，共20分）1.Inthe8thgradeEnglishtextbookpublishedbySujiaoinHeilongjiangProvinceforthe2026academicyear,Chapter8focusesonthegrammaticalstructureof"can/could"forabilityandpermission.Whichsentencecorrectlyexpressesability?A.Shecangototheconcertifherparentsallowher.B.Hecan’tfinishhishomeworkbecauseheistired.C.Couldyouhelpmewiththisproblem?D.TheycouldnotspeakEnglishwhentheyarrivedinAmerica.Answer:BExplanation:OptionBcorrectlyuses"can’t"toexpressinability,aligningwiththechapter’semphasisonmodalverbsforability.OptionAuses"can"forpermission,optionCuses"could"forapastability,andoptionDuses"couldnot"forapastinability,allofwhichdeviatefromthechapter’sfocusonpresentability.2.Thechapteralsocoverstheuseof"must/mustn’t"fornecessityandprohibition.Whichsentencecorrectlyexpressesprohibition?A.Youmuststudyeverydaytopasstheexam.B.Studentsmustn’tleavetheclassroomwithoutpermission.C.Shemustfinishherprojectbytomorrow.D.Wemustnotforgettowearhelmetswhencycling.Answer:BExplanation:OptionBuses"mustn’t"toprohibitanaction,whichisakeyconceptinChapter8.OptionAuses"must"fornecessity,optionCuses"must"foradeadline,andoptionDuses"mustnot"foraprohibition,butthecontextofleavingtheclassroomwithoutpermissionismoredirectlyalignedwiththechapter’sprohibitionrules.3.Thechapterintroducesthestructure"begoingto+verb"forfutureplans.Whichsentencecorrectlyexpressesafutureplan?A.Itwillraintomorrow,sowewillcancelthepicnic.B.SheisgoingtotraveltoJapannextsummer.C.Theymightmissthetrainiftheydon’tleavesoon.D.Hehasboughtticketsfortheconcert.Answer:BExplanation:OptionBuses"isgoingtotravel"todescribeaplannedfutureaction,whichmatchesthechapter’stopic.OptionAuses"willcancel"forafuturedecision,optionCuses"mightmiss"forapossibility,andoptionDusesthepresentperfectforapastaction,allofwhichdonotfitthechapter’sfocus.4.Thechapteralsodiscussestheuseof"will"forpredictions.Whichsentencecorrectlyexpressesaprediction?A.Shewillcallyouwhenshearriveshome.B.TheEarthwillrevolvearoundtheSun.C.Theywillnotattendthemeetingtomorrow.D.Hewillhavefinishedhisworkbynextweek.Answer:BExplanation:OptionBuses"will"tostateageneraltruth,whichisacommonuseof"will"inpredictions.OptionAuses"will"forafutureplan,optionCuses"willnot"forafuturerefusal,andoptionDuses"willhavefinished"forafuturecompletedaction,allofwhichdonotfitthechapter’sfocusonpredictions.5.Thechapterincludesthestructure"usedto+verb"forpasthabits.Whichsentencecorrectlyexpressesapasthabit?A.Heusedtoplaybasketballeveryafternoon.B.Shewillusetostudylateatnight.C.Theyhaveusedtogetupearly.D.Itisusedtorainalotinthiscity.Answer:AExplanation:OptionAuses"usedtoplay"todescribeapasthabitthatnolongerexists,whichisthecorrectusageinthechapter.OptionBuses"willuseto"incorrectly,optionCusesthepresentperfect,andoptionDuses"isusedto"asapresenthabit,allofwhichareincorrect.6.Thechapteralsocoversthestructure"beaboutto+verb"forimmediatefutureactions.Whichsentencecorrectlyexpressesanimmediatefutureaction?A.Sheisabouttostarthernewjobnextmonth.B.Theywereabouttoleavewhenitstartedtorain.C.Heisabouttoeatdinnernow.D.Themeetingisabouttobegininfiveminutes.Answer:CExplanation:OptionCuses"isabouttoeat"todescribeanactionhappeningverysoon,whichmatchesthechapter’stopic.OptionAuses"isabouttostart"forafutureevent,optionBuses"wereabouttoleave"forapastaction,andoptionDuses"isabouttobegin"foranearfutureevent,buttheimmediacyof"now"ismorealignedwiththechapter’sfocus.7.Thechapterintroducestheuseof"needn’t"forunnecessaryactions.Whichsentencecorrectlyexpressesthatanactionisunnecessary?A.Youneedn’tbringanumbrellabecauseitisn’training.B.Shemustn’tforgetherkeysorshewillbelockedout.C.Heneedn’tgotothestore;Iwillbuythegroceries.D.TheyneedtofinishtheirhomeworkbeforewatchingTV.Answer:AExplanation:OptionAuses"needn’tbring"toindicatethatbringinganumbrellaisunnecessary,whichisakeyconceptinthechapter.OptionBuses"mustn’tforget"foraprohibition,optionCuses"needn’tgo"forasuggestion,andoptionDuses"needto"fornecessity,allofwhichdonotfitthechapter’sfocus.8.Thechapteralsocoverstheuseof"might"forpossibilities.Whichsentencecorrectlyexpressesapossibility?A.Hemightcallyoulaterifhehastime.B.Shemaynotlikethegiftbecauseitistooexpensive.C.Theymighthavemissedthebusiftheyleftlate.D.Itmightbecoldtomorrow,soyoushouldwearajacket.Answer:AExplanation:OptionAuses"mightcall"toexpressapossiblefutureaction,whichmatchesthechapter’stopic.OptionBuses"maynotlike"forapossibility,optionCuses"mighthavemissed"forapastpossibility,andoptionDuses"mightbecold"foraprediction,allofwhichdonotfitthechapter’sfocus.9.Thechapterintroducesthestructure"besupposedto+verb"forobligationsorexpectations.Whichsentencecorrectlyexpressesanobligation?A.Youaresupposedtofinishyourhomeworkbeforebed.B.Shewassupposedtomeethimatthestation,butshewaslate.C.Heissupposedtobehereby10AM.D.Theyaresupposedtohavefinishedtheprojectlastweek.Answer:AExplanation:OptionAuses"aresupposedtofinish"toexpressanobligation,whichisakeyconceptinthechapter.OptionBuses"wassupposedtomeet"forapastobligation,optionCuses"issupposedtobe"forapresentexpectation,andoptionDuses"aresupposedtohavefinished"forapastobligation,allofwhichdonotfitthechapter’sfocus.10.Thechapteralsocoverstheuseof"should"foradvice.Whichsentencecorrectlygivesadvice?A.Youshouldstudymoreifyouwanttoimproveyourgrades.B.Sheshouldhavegonetothedoctorwhenshewassick.C.Heshouldbeherebynow.D.Theyshouldhavefinishedthetestyesterday.Answer:AExplanation:OptionAuses"shouldstudy"togiveadvice,whichmatchesthechapter’stopic.OptionBuses"shouldhavegone"forapastsuggestion,optionCuses"shouldbehere"forapresentexpectation,andoptionDuses"shouldhavefinished"forapastsuggestion,allofwhichdonotfitthechapter’sfocus.二、填空题（总共10题，每题2分，共20分）1.AccordingtoChapter8,toexpressabilityinthepresent,weuse_______+baseverb.Forexample:"She_______swimverywell."Answer:can/canExplanation:Thechapterteachesthat"can"isusedforpresentability.Thecorrectsentenceis"Shecanswimverywell."2.Toexpressprohibition,weuse_______+baseverb.Forexample:"Students_______bringphonestoschool."Answer:mustn’t/mustnotExplanation:Thechapterintroduces"mustn’t"or"mustnot"forprohibitions.Thecorrectsentenceis"Studentsmustn’tbringphonestoschool."3.Toexpressfutureplans,weuse_______+baseverb.Forexample:"They_______visittheirgrandparentsnextweekend."Answer:aregoingto/aregoingtoExplanation:Thechapterteachesthat"begoingto"isusedforfutureplans.Thecorrectsentenceis"Theyaregoingtovisittheirgrandparentsnextweekend."4.Toexpressaprediction,weuse_______+baseverb.Forexample:"I_______itwillraintomorrow."Answer:think/thinkExplanation:Thechapterintroduces"will"forpredictions.Thecorrectsentenceis"Ithinkitwillraintomorrow."5.Toexpressapasthabitthatnolongerexists,weuse_______+baseverb.Forexample:"He_______playthepianowhenhewasachild."Answer:usedto/usedtoExplanation:Thechapterteachesthat"usedto"isusedforpasthabits.Thecorrectsentenceis"Heusedtoplaythepianowhenhewasachild."6.Toexpressanimmediatefutureaction,weuse_______+baseverb.Forexample:"She_______leaveinfiveminutes."Answer:isaboutto/isabouttoExplanation:Thechapterintroduces"beaboutto"forimmediatefutureactions.Thecorrectsentenceis"Sheisabouttoleaveinfiveminutes."7.Toexpressthatanactionisunnecessary,weuse_______+baseverb.Forexample:"You_______bringanumbrellabecauseitisn’training."Answer:needn’t/needn’tExplanation:Thechapterteachesthat"needn’t"isusedforunnecessaryactions.Thecorrectsentenceis"Youneedn’tbringanumbrellabecauseitisn’training."8.Toexpressapossibility,weuse_______+baseverb.Forexample:"He_______callyoulaterifhehastime."Answer:might/mightExplanation:Thechapterintroduces"might"forpossibilities.Thecorrectsentenceis"Hemightcallyoulaterifhehastime."9.Toexpressanobligationorexpectation,weuse_______+baseverb.Forexample:"You_______finishyourhomeworkbeforebed."Answer:aresupposedto/aresupposedtoExplanation:Thechapterteachesthat"besupposedto"isusedforobligations.Thecorrectsentenceis"Youaresupposedtofinishyourhomeworkbeforebed."10.Togiveadvice,weuse_______+baseverb.Forexample:"You_______studymoreifyouwanttoimproveyourgrades."Answer:should/shouldExplanation:Thechapterintroduces"should"foradvice.Thecorrectsentenceis"Youshouldstudymoreifyouwanttoimproveyourgrades."三、判断题（总共10题，每题2分，共20分）1."Can"and"could"arebothusedforability,but"can"ismoreformalthan"could."Answer:FalseExplanation:"Could"ismoreformalthan"can."Thechapterteachesthat"can"isusedforpresentabilityininformalcontexts,while"could"isusedforpastabilityormorepoliterequests.2."Must"and"mustn’t"areinterchangeableforexpressingnecessityandprohibition.Answer:FalseExplanation:"Must"expressesnecessity,while"mustn’t"expressesprohibition.Thechapterteachesthattheyhavedifferentmeaningsandcannotbeusedinterchangeably.3."Begoingto"and"will"canbothbeusedforpredictions,but"begoingto"isusedforplannedactions,while"will"isusedforpredictionsbasedonevidence.Answer:TrueExplanation:Thechapterdistinguishesbetween"begoingto"forplannedactionsand"will"forpredictions.4."Usedto"and"beusedto"bothexpresspasthabits,but"usedto"isusedforhabitsthatnolongerexist,while"beusedto"isusedforhabitsthatstillexist.Answer:TrueExplanation:Thechapterteachesthat"usedto"isforpasthabitsthatnolongerexist,while"beusedto"isforgettingaccustomedtosomething.5."Might"ismoreformalthan"may"forexpressingpossibilities.Answer:FalseExplanation:"May"ismoreformalthan"might."Thechapterteachesthat"may"isusedforpossibilitiesinmoreformalcontexts,while"might"isusedforlesscertainpossibilities.6."Should"and"oughtto"areinterchangeableforgivingadvice.Answer:TrueExplanation:Thechapterteachesthat"should"and"oughtto"aresimilarinmeaningandcanbeusedinterchangeablyforgivingadvice.7."Beaboutto"isusedforactionsthatwillhappenverysoon,while"will"isusedforfutureplans.Answer:FalseExplanation:"Beaboutto"isusedforimmediatefutureactions,while"will"isusedforfutureplans.Thechapterdistinguishesbetweenthetwo.8."Needn’t"isthesameas"don’tneedto"inmeaning.Answer:TrueExplanation:Thechapterteachesthat"needn’t"and"don’tneedto"havethesamemeaningandareinterchangeable.9."Besupposedto"expressesastrongobligation,similarto"must."Answer:FalseExplanation:"Besupposedto"expressesanobligationorexpectation,butitisnotasstrongas"must."Thechapterteachesthattheyhavedifferentlevelsofobligation.10."May"isusedforpermission,similarto"can."Answer:FalseExplanation:"May"isusedforpermission,but"can"isusedforability.Thechapterteachesthattheyhavedifferentusesandcannotbeusedinterchangeably.四、简答题（总共8题，每题2分，共16分）1.Explainthedifferencebetween"can"and"could"intermsofformalityandusage.Answer:"Can"isusedforpresentabilityininformalcontexts,while"could"isusedforpastabilityormorepoliterequests.Thechapterteachesthat"can"islessformalthan"could."2.Describehowtouse"must"and"mustn’t"forexpressingnecessityandprohibition.Answer:"Must"expressesnecessity(e.g.,"Youmustfinishyourhomework"),while"mustn’t"expressesprohibition(e.g.,"Youmustn’tleavetheroom").Thechapterteachesthattheyhaveoppositemeanings.3.Howdoesthestructure"begoingto+verb"differfrom"will+verb"forexpressingfutureactions?Answer:"Begoingto"isusedforplannedactions(e.g.,"Sheisgoingtostudy"),while"will"isusedforpredictionsbasedonevidence(e.g.,"Itwillrain").Thechapterdistinguishesbetweenthetwo.4.Explaintheuseof"usedto+verb"forexpressingpasthabits.Answer:"Usedto+verb"isusedforpasthabitsthatnolongerexist(e.g.,"Heusedtoplaybasketball").Thechapterteachesthatitindicatesahabitthathasstopped.5.Howdoes"might"differfrom"may"forexpressingpossibilities?Answer:"May"isusedforpossibilitiesinmoreformalcontexts(e.g.,"Itmayrain"),while"might"isusedforlesscertainpossibilities(e.g.,"Hemightcall").Thechapterteachesthat"might"islessformalthan"may."6.Describetheuseof"should"forgivingadvice.Answer:"Should+verb"isusedforgivingadvice(e.g.,"Youshouldstudymore").Thechapterteachesthatitisapolitewaytosuggestanaction.7.Howdoes"beaboutto+verb"differfrom"will+verb"forexpressingimmediatefutureactions?Answer:"Beaboutto+verb"isusedforactionshappeningverysoon(e.g.,"Sheisabouttoleave"),while"will+verb"isusedforfutureplans(e.g.,"Shewillleavetomorrow").Thechapterdistinguishesbetweenthetwo.8.Explaintheuseof"needn’t"forexpressingunnecessaryactions.Answer:"Needn’t+verb"isusedforunnecessaryactions(e.g.,"Youneedn’tbringanumbrella").Thechapterteachesthatitindicatesanactionthatisnotrequired.五、应用题（总共8题，每题4分，共24分）1.Rewritethefollowingsentenceusing"can"toexpressability:"Sheisabletoswimverywell."Answer:Shecanswimverywell.Explanation:Thechapterteachesthat"can"isusedforpresentability.Thecorrectsentenceis"Shecanswimverywell."2.Rewritethefollowingsentenceusing"mustn’t"toexpressprohibition:"Studentsarenotallowedtobringphonestoschool."Answer:Studentsmustn’tbringphonestoschool.Explanation:Thechapterteachesthat"mustn’t"isusedforprohibitions.Thecorrectsentenceis"Studentsmustn’tbringphonestoschool."3.Rewritethefollowingsentenceusing"begoingto"toexpressafutureplan:"Theyplantovisittheirgrandparentsnextweekend."Answer:Theyaregoingtovisittheirgrandparentsnextweekend.Explanation:Thechapterteachesthat"begoingto"isusedforfutureplans.Thecorrectsentenceis"Theyaregoingtovisittheirgrandparentsnextweekend."4.Rewritethefollowingsentenceusing"will"toexpressaprediction:"Ithinkitwillraintomorrow."Answer:Ithinkitwillraintomorrow.Explanation:Thechapterteachesthat"will"isusedforpredictions.Thecorrectsentenceis"Ithinkitwillraintomorrow."5.Rewritethefollowingsentenceusing"usedto"toexpressapasthabit:"Heplayedthepianowhenhewasachild."Answer:Heusedtoplaythepianowhenhewasachild.Explanation:Thechapterteachesthat"usedto"isusedforpasthabits.Thecorrectsentenceis"Heusedtoplaythepianowhenhewasachild."6.Rewritethefollowingsentenceusing"isaboutto"toexpressanimmediatefutureaction:"Shewillleaveinfiveminutes."Answer:Sheisabouttoleaveinfiveminutes.Explanation:Thechapterteachesthat"isaboutto"isusedforimmediatefutureactions.Thecorrectsentenceis"Sheisabouttoleaveinfiveminutes."7.Rewritethefollowingsentenceusing"needn’t"toexpressanunnecessaryaction:"Youdonotneedtobringanumbrellabecauseitisn’training."Answer:Youneedn’tbringanumbrellabecauseitisn’training.Explanation:Thechapterteachesthat"needn’t"isusedforunnecessaryactions.Thecorrectsentenceis"Youneedn’tbringanumbrellabecauseitisn’training."8.Rewritethefollowingsentenceusing"might"toexpressapossibility:"Hemaycallyoulaterifhehastime."Answer:Hemightcallyoulaterifhehastime.Explanation:Thechapterteachesthat"might"isusedforpossibilities.Thecorrectsentenceis"Hemightcallyoulaterifhehastime."【标准答案及解析】一、单项选择题1.B2.B3.B4.B5.A6.C7.A8.A9.A10.A二、填空题1.can/can2.mustn’t/mustnot3.aregoingto/aregoingto4.think/think5.usedto/usedto6.isaboutto/isaboutto7.needn’t/needn’t8.might/might9.aresupposedto/aresupposedto10.should/should三、判断题1.False2.False3.True4.True5.False6.True7.False8.True9.False10.False四、简答题1."Can"isusedforpresentabilityininformalcontexts,while"could"isusedforpastabilityormorepoliterequests.Thechapterteachesthat"can"islessformalthan"could."2."Must"expressesnecessity(e.g.,"Youmustfinishyourhomework"),while"mustn’t"expressesprohibition(e.g.,"Youmustn’tleavetheroom").Thechapterteachesthattheyhaveoppositemeanings.3."Begoingto"isusedforplannedactions(e.g.,"Sheisgoingtostudy"),while"will"isusedforpredictionsbasedonevidence(e.g.,"Itwillrain").Thechapterdistinguishesbetweenthetwo.4."Usedto+verb"isusedforpasthabitsthatnolongerexist(e.g.,"Heusedtoplaybasketball").Thechapterteachesthatitindicatesahabitthathasstopped.5."May"isusedforpossibilitiesinmoreformalcontexts(e.g.,"Itmayrain"),while"might"isusedforlesscertainpossibilities(e.g.,"Hemightcall").Thechapterteachesthat"might"islessformalthan"may."6."Should+verb"isusedforgivingadvice(e.g.,"Youshouldstudymore").Thechapterteachesthatitisapolitewaytosuggestanaction.7."Beaboutto+verb"isusedforactionshappeningverysoon(e.g.,"Sheisabouttoleave"),while"will+verb"isusedforfutureplans(e.g.,"Shewillleavetomorrow").Thechapterdistinguishesbetweenthetwo.8."Needn’t+verb"isusedforunnecessaryactions(e.g.,"Youneedn’tbringanumbrella").Thechapterteachesthatitindicatesanactionthatisnotrequired.五、应用题1.Shecanswimverywell.2.Studentsmustn’tbringphonestoschool.3.Theyaregoingtovisittheirgrandparentsnextweekend.4.Ithinkitwillraintomorrow.5.Heusedtoplaythepianowhenhewasachild.6.Sheisabouttoleaveinfiveminutes.7.Youneedn’tbringanumbrellabecauseitisn’training.8.Hemightcallyoulaterifhehastime.【解析】一、单项选择题1.B:"can’tfinish"expressesinability,whichmatchesthechapter’sfocuson"can"forability.2.B:"mustn’tleave"expressesprohibition,whichmatchesthechapter’sfocuson"mustn’t"forprohibition.3.B:"isgoingtotravel"expressesafutureplan,whichmatchesthechapter’sfocuson"begoingto."4.B:"willrevolve"expressesageneraltruth,whichmatchesthechapter’sfocuson"will"forpredictions.5.A:"usedtoplay"expressesapasthabit,whichmatchesthechapter’sfocuson"usedto."6.C:"isabouttoeat"expressesanimmediatefutureaction,whichmatchesthechapter’sfocuson"beaboutto."7.A:"needn’tbring"expressesanunnecessaryaction,whichmatchesthechapter’sfocuson"needn’t."8.A:"mightcall"expressesapossibility,whichmatchesthechapter’sfocuson"might."9.A:"aresupposedtofinish"expressesanobligation,whichmatchesthechapter’sfocuson"besupposedto."10.A:"shouldstudy"givesadvice,whichmatchesthechapter’sfocuson"should."二、填空题1."can"/"can":"canswim"expressespresentability.2."mustn’t"/"mustnot":"mustn’tbring"expressesprohibition.3."aregoingto"/"aregoingto":"aregoingtovisit"expressesafutureplan.4."think"/"think":"thinkitwillrain"expressesaprediction.5."usedto"/"usedto":"usedtoplay"expressesapasthabit.6."isaboutto"/"isaboutto":"isabouttoleave"expressesanimmediatefutureaction.7."needn’t"/"needn’t":"needn’tbring"expressesanunnecessaryaction.8."might"/"might":"mightcall"expressesapossibility.9."aresupposedto"/"aresupposedto":"aresupposedtofinish"expressesanobligation.10."should"/"should":"shouldstudy"givesadvice.三、判断题1.False:"can"isinformal,while"could"isformal.2.False:"must"i