2026年江苏省苏教版高中英语第5单元语法填空专项训练题库

2026年江苏省苏教版高中英语第5单元语法填空专项训练题库一、单项选择题（总共10题，每题2分，共20分）1.The5thunitofthe2026JiangsueditionSeniorHighSchoolEnglishtextbookfocusesonthegrammaticalstructureofmodalverbs.Whichsentencecorrectlyuses"must"toexpressstrongnecessity?A.Youcanfinishthehomeworktonightifyouwant.B.Youmustfinishthehomeworktonight.C.Youmayfinishthehomeworktomorrow.D.Youneedn’tfinishthehomeworknow.Answer:BExplanation:"Must"isusedtoexpressabsolutenecessityorobligation,asin"Youmustfinishthehomeworktonight."OptionAuses"can"(possibility),Cuses"may"(permissibility),andDuses"needn’t"(lackofnecessity),allofwhichcontradictthecontextofstrongobligation.2.Intheunit,studentslearntodifferentiatebetween"should"and"oughtto".Whichsentenceismoreappropriatewhenadvisingsomeonetoseeadoctor?A.Yououghttogotothehospitalimmediately.B.Youshouldtakesomemedicinefortheheadache.C.Youmustconsultaspecialist.D.Youmayignorethesymptomsfornow.Answer:BExplanation:"Should"iscommonlyusedforrecommendationsoradvice,asin"Youshouldtakesomemedicinefortheheadache.""Oughtto"ismoreformal(A),"must"impliesurgency(C),and"may"suggestsindifference(D),allofwhicharelesssuitableformedicaladvice.3.Theunitintroducespassivevoicewith"be+pastparticiple".Whichsentencecorrectlytransforms"Theteacherpraisedthestudents"intopassivevoice?A.Thestudentswerepraisedbytheteacher.B.Theteacherhaspraisedthestudents.C.Thestudentsarebeingpraisedbytheteacher.D.Theteacherwillbepraisedbythestudents.Answer:AExplanation:Thepassivevoiceisformedwith"be+pastparticiple,"asin"Thestudentswerepraisedbytheteacher."OptionBispresentperfectactive,Cispresentcontinuouspassive,andDisfuturepassive,allofwhicharegrammaticallyincorrectinthiscontext.4.Whenusing"too...to..."structure,whichsentenceisgrammaticallycorrect?A.Itistooheavytocarry.B.Itistoolighttocarry.C.Itistootocarry.D.Itistoocarry.Answer:AExplanation:Thecorrectstructureis"too+adjective+to+verb,"asin"Itistooheavytocarry."OptionBisincorrectbecause"light"isanadjective,notanadverb.OptionsCandDlacknecessarywords.5.Theunitcovers"so...that..."forexpressingresults.Whichsentencecorrectlyusesthisstructure?A.Hewassotiredthathefellasleepimmediately.B.Hefellasleepsotiredthathecouldn’twakeup.C.Hewastiredsothathefellasleep.D.Hefellasleepbecausehewastired.Answer:AExplanation:"So...that..."introducesaresult,asin"Hewassotiredthathefellasleepimmediately."OptionBisincorrectbecause"sotired"shouldnotmodify"that."OptionCuses"sothat"asaconjunctionwithout"that,"andDuses"because"(cause,notresult).6.Intheunit,studentspracticeusing"if"clausesforhypotheticalsituations.Whichsentencecorrectlyexpressesacondition?A.Ifyoustudyhard,youwillpasstheexam.B.Ifyoupasstheexam,youstudyhard.C.Youwillpasstheexamifyoustudyhard.D.Youstudyhardifyoupasstheexam.Answer:AExplanation:Thefirstconditionalstructureis"if+presenttense,will+baseverb,"asin"Ifyoustudyhard,youwillpasstheexam."OptionBreversestheclauses,Cusesthereversestructure,andDisincorrect.7.Theunitincludes"incase"forpossiblefutureevents.Whichsentenceiscorrect?A.Takeanumbrellaincaseitrainstomorrow.B.Takeanumbrellaifitrainstomorrow.C.Youtakeanumbrellaincaseitrainstomorrow.D.Youwilltakeanumbrellaifitrainstomorrow.Answer:AExplanation:"Incase"suggestsaplanforapossiblefutureevent,asin"Takeanumbrellaincaseitrainstomorrow."OptionBlacks"incase,"Cisincorrectbecause"you"shouldnotbethesubject,andDuses"will."8.Theunitteachestheuseof"sothat"forpurpose.Whichsentencecorrectlyusesit?A.Hespokeslowlysothateveryonecouldunderstandhim.B.Hespokeslowlysothathecouldunderstandeveryone.C.Hespokeslowlybecauseeveryonecouldunderstandhim.D.Hespokeslowlysothattounderstandeveryone.Answer:AExplanation:"Sothat"introducespurpose,asin"Hespokeslowlysothateveryonecouldunderstandhim."OptionBisincorrectbecause"sothat"cannotmodifyaverbdirectly.OptionCuses"because"(cause),andDisgrammaticallyflawed.9.Theunitcovers"祈使句"(imperativesentences).Whichsentenceiscorrect?A.Closethedoor,please.B.Youclosethedoor,please.C.Closethedoorplease.D.Pleaseclosethedoor.Answer:AExplanation:Thecorrectimperativestructureis"baseverb+,please,"asin"Closethedoor,please."OptionBisactive,Clacksacomma,andDuses"please"incorrectly.10.Theunitintroduces"情态动词的被动语态"(modalverbsinpassivevoice).Whichsentenceiscorrect?A.Thebookmustbefinishedbytomorrow.B.Thebookmustfinishbytomorrow.C.Thebookmustbefinishingbytomorrow.D.Thebookmusttobefinishedbytomorrow.Answer:AExplanation:Thepassivestructurewithmodalverbsis"modal+be+pastparticiple,"asin"Thebookmustbefinishedbytomorrow."OptionBlacks"be,"Cusespresentcontinuous,andDisgrammaticallyincorrect.二、填空题（总共10题，每题2分，共20分）1.Theteacherasked,"______youfinishtheprojectbyFriday?"Answer:CanExplanation:Thequestionasksaboutability,so"can"isappropriate.2.Ifyou______morecarefully,you______havemadethatmistake.Answer:hadread;wouldhaveExplanation:Thepastperfecttense("hadread")indicatesapastaction,andthethirdconditional("wouldhave+pastparticiple")expressesahypotheticalpastresult.3.Thestudentsweresurprisedtoseetheteacher______atthedoor.Answer:standExplanation:Thepassivevoicerequiresthebaseformoftheverb("stand").4.Shesuggestedthatwe______ameetingtodiscusstheproblem.Answer:holdExplanation:After"suggest,"thesubjunctivemoodusesthebaseform("hold").5.You______notleavetheroomuntilthetestisfinished.Answer:mustExplanation:"Must"expressesstrongprohibition.6.Thepackage______bedeliveredbytomorrow,ortheclientwillbeunhappy.Answer:mustExplanation:Thepassivestructurewith"must"indicatesnecessity.7.IfI______moretime,I______havestudiedharder.Answer:had;wouldhaveExplanation:Thethirdconditionalrequires"had+pastparticiple"and"wouldhave+pastparticiple."8.Theexperiment______carefullytoavoiderrors.Answer:mustbeconductedExplanation:Thepassivevoicewith"must"isrequired.9.Heistooyoungto______thecomplexcalculations.Answer:handleExplanation:The"too...to..."structurerequiresthebaseformoftheverb("handle").10.Themanageraskedifwe______thedeadlinenextweek.Answer:couldmeetExplanation:Thequestionaboutabilityuses"can"or"could."三、判断题（总共10题，每题2分，共20分）1."Must"and"haveto"alwaysmeanthesamething.(False)Explanation:"Must"expressesstrongobligation,while"haveto"isexternal.2."Should"ismoreformalthan"oughtto."(False)Explanation:"Oughtto"ismoreformalinsomecontexts.3.Thepassivevoiceisalwaysusedwhentheactorisunknown.(False)Explanation:Thepassivecanbeusedevenwhentheactorisknown.4."So...that..."and"such...that..."areinterchangeable.(False)Explanation:"Such"requiresanadjectivebefore"that."5."IfIwereyou"isalwaysusedforpasthypotheticals.(False)Explanation:Itisusedforpresentorfuturehypotheticals.6."祈使句"canhaveasubject.(False)Explanation:Imperativesomitthesubject("you").7."情态动词的被动语态"alwaysuses"be."(True)Explanation:Thestructureismodal+be+pastparticiple.8."Incase"isthesameas"if."(False)Explanation:"Incase"suggestsaplanforapossibleevent.9."情态动词的否定形式"isalways"not+modal."(False)Explanation:Somemodals(e.g.,"mustn’t")usedoublenegatives.10."情态动词的被动语态"cannotbeusedinquestions.(False)Explanation:E.g.,"Mustthereportbesubmittedtoday?"四、简答题（总共8题，每题2分，共16分）1.Explainthedifferencebetween"can"and"may."Answer:"Can"expressesabilityorpermission,while"may"expressespossibilityorpermission.2.Howdoyouformthepassivevoicewith"must"?Answer:"Mustbe+pastparticiple"(e.g.,"Theworkmustbefinished.")3.Whatisthestructureofthesecondconditional?Answer:"If+pasttense,would+baseverb"(e.g.,"IfIhadmoney,Iwouldtravel.")4.Whyis"sothat"differentfrom"because"?Answer:"Sothat"introducespurpose,while"because"introducesareason.5.Howdoyouuse"should"foradvice?Answer:"Should+baseverb"(e.g.,"Youshouldstudyharder.")6.Whatisthesubjunctivemoodin"Itisimportantthathearriveontime"?Answer:"Hearrive"(baseform)insteadof"hearrives."7.Whyis"祈使句"usedwithoutasubject?Answer:Thesubject("you")isimpliedinEnglishimperatives.8.Howdoyouformthepassivevoicewith"if"?Answer:"If+subject+be+pastparticiple"(e.g.,"Ifthebookisreturned,itwillbeaccepted.")五、应用题（总共8题，每题4分，共24分）1.Rewritethefollowingsentenceinpassivevoice:"Thestudentscompletedtheexperiment."Answer:Theexperimentwascompletedbythestudents.Explanation:Changeactivetopassive:subject→agent,verb→be+pastparticiple.2.Transform"HemustfinishthereportbyFriday"intoaquestion.Answer:MustthereportbefinishedbyFriday?Explanation:Move"must"tothebeginningandchangetheverbform.3.Writeasentenceusing"so...that..."todescribearesult.Answer:Hewassotiredthathefellasleepimmediately.Explanation:"So+adjective,that+clause"expressesastrongresult.4.Usethesubjunctivemoodinasentence:"Itisnecessarythatshepasstheexam."Answer:Itisnecessarythatshepasstheexam.Explanation:Use"should+baseverb"after"necessary."5.Writeasentenceusing"ifIwereyou"togiveadvice.Answer:IfIwereyou,Iwouldapologizeimmediately.Explanation:Usedforpresent/futurehypotheticals.6.Changethefollowingsentencetopassivevoice:"Theteacherwillreviewthepapers."Answer:Thepaperswillbereviewedbytheteacher.Explanation:Subject→agent,verb→be+pastparticiple.7.Writeasentenceusing"情态动词的被动语态"toexpressnecessity.Answer:Theprojectmustbecompletedbytomorrow.Explanation:"Mustbe+pastparticiple"forstrongobligation.8.Createasentenceusing"情态动词的否定形式"toexpressprohibition.Answer:Youmustnotleavetheroom.Explanation:Usedoublenegativeswith"mustn’t."【标准答案及解析】一、单项选择题1.B"Must"expressesstrongnecessity.2.B"Should"isforadvice.3.APassivevoice:"be+pastparticiple."4.ACorrect"too...to..."structure.5.A"So...that..."forresult.6.AFirstconditional:"if+present,will+base."7.A"Incase"forpossiblefuture.8.A"Sothat"forpurpose.9.ACorrectimperativestructure.10.APassivewithmodal:"must+be+pastparticiple."二、填空题1.CanAbilityquestion.2.hadread;wouldhaveThirdconditional.3.standPassivevoice.4.holdSubjunctivemoodafter"suggest."5.mustProhibition.6.mustbedeliveredPassivenecessity.7.had;wouldhaveThirdconditional.8.mustbeconductedPassivevoice.9.handle"Too...to..."structure.10.couldmeetQuestionaboutability.三、判断题1.F"Must"isstrongerthan"haveto."2.F"Oughtto"ismoreformal.3.FPas