2025-2026年重庆市人教版九年级英语第9单元语法练习题

2025-2026年重庆市人教版九年级英语第9单元语法练习题一、单项选择题（每题2分，共20分）1.AccordingtothegrammarrulesinUnit9,whichsentencecorrectlyusesthepassivevoicetodescribehowthemuseumwasbuilt?A.Thenewmuseumwasdesignedbymanyarchitectslastyear.B.Manyarchitectsdesignedthenewmuseumlastyear.C.Thenewmuseumwasbuiltbymanyarchitectslastyear.D.Manyarchitectsbuiltthenewmuseumlastyear.Answer:CExplanation:Thepassivevoiceisformedbyusing"be+pastparticiple,"andthecorrectstructurehereis"bebuilt."OptionAandBusetheactivevoice,whileDincorrectlyuses"built"asapastparticiple.OptionCaccuratelydescribesthemuseumastherecipientoftheaction,with"designed"asthecorrectpastparticipleform.2.InUnit9,welearnedabouttheuseof"should"toexpressadvice.WhichsentencecorrectlygivesadviceonhowtoimproveEnglishspeakingskills?A.YoushouldpracticespeakingEnglisheveryday.B.YoumuststudyEnglishgrammareverynight.C.YoucanwatchEnglishmoviestolearnnewwords.D.YoushouldnotlistentoEnglishsongs.Answer:AExplanation:"Should"isusedtogiverecommendations,andOptionAdirectlyprovidesactionableadvice.OptionBuses"must,"whichistoostrongforgeneraladvice.Csuggestsanalternativebutlacksdirectness,whileDuses"not"incorrectlyforadvice.3.Unit9introducesthecontrastbetween"too"and"so."Whichsentencecorrectlyuses"too"todescribeanexcessivesituation?A.ThecoffeeissohotthatIcan’tdrinkit.B.Theexamistoodifficultformetofinishontime.C.Sheistookindtorefuseanyone’srequest.D.ThebookissointerestingthatIreaditallnight.Answer:BExplanation:"Too"indicatesexcessiveness,andOptionBcorrectlydescribestheexamasexcessivelydifficult.OptionAuses"so"toshowaresult,Cuses"too"inappropriatelyforapositivetrait,andDuses"so"toemphasizeinterest.4.InUnit9,westudiedhowtousethepresentperfecttensetodescribelifeexperiences.Whichsentencecorrectlyusesthistense?A.IhavevisitedtheGreatWallthreetimes.B.ShewenttoLondonlastyear.C.Theywillfinishtheprojecttomorrow.D.Hehaseatenbreakfastalready.Answer:AExplanation:Thepresentperfecttense("have/has+pastparticiple")isusedforlifeexperiences.OptionAcorrectlydescribesrepeatedvisits.Busesthesimplepast,Cthefuturetense,andDthepresentperfectbutwithanunnecessary"already."5.Unit9explainsthedifferencebetween"look,""see,"and"watch."Whichsentencecorrectlyuses"see"todescribeanactionofvisuallyperceivingsomething?A.Theteacherlookedatthestudentsintheclassroom.B.Iseethestarsintheskyeverynight.C.Theywatchedamovietogetherlastweekend.D.Helookslikehisbrother.Answer:BExplanation:"See"isusedforgeneralvisualperception,asinOptionB.Auses"looked"foradeliberateaction,C"watched"foranongoingactivity,andDuses"looks"asalinkingverb.6.InUnit9,welearnedabouttheuseof"usedto"todescribepasthabits.Whichsentencecorrectlyformsthisstructure?A.Sheusedtoplaybasketballeveryday.B.Heusedplayingthepiano.C.Theyusedtogotoschoolbybus.D.Iusedtonotlikespicyfood.Answer:CExplanation:Thecorrectstructureis"usedto+baseverb."OptionAandCcorrectlyusethebaseform("play,""go").Bismissingthebaseverb,andDuses"not"incorrectlywith"usedto."7.Unit9introducestheuseof"for"and"since"toindicatetimeduration.Whichsentencecorrectlyuses"for"todescribeaperiodoftime?A.Ihavelivedinthiscitysince2020.B.ShestudiedEnglishforthreeyears.C.Theyhavebeenfriendssincechildhood.D.Hehasworkedherefortwoweeks.Answer:BExplanation:"For"isusedwithaduration(e.g.,"threeyears"),asinOptionB.AandCuse"since"foraspecificpointintime,whileDuses"for"butislessclearwithoutcontext.8.InUnit9,welearnedhowtousethesecondconditionaltodescribehypotheticalsituations.Whichsentencecorrectlyformsthisstructure?A.IfIhadmoretime,Iwouldstudyharder.B.Shewillpasstheexamifshestudies.C.Hewouldcallyouifhewereyou.D.Theymightmissthetrainiftheyarelate.Answer:AExplanation:Thesecondconditionalis"if+pastsubjunctive,would+baseverb."OptionAcorrectlyuses"had"and"wouldstudy."Busesthefirstconditional,Cthethirdconditional,andDthefirstconditionalwith"might."9.Unit9explainstheuseof"so...that"toshowaresult.Whichsentencecorrectlyformsthisstructure?A.Itwastoocold,soIworeajacket.B.Shesingssobeautifullythateveryonelistens.C.Heissotiredthathecannotsleep.D.Theywerelatebecausetheymissedthebus.Answer:CExplanation:The"so...that"structureshowsastrongresult.OptionCcorrectlyuses"sotired"and"cannotsleep."Auses"so"butlacks"that,"Bisgrammaticallycorrectbutlessimpactful,andDusesacause-and-effectclause.10.InUnit9,welearnedabouttheuseof"must"toexpressnecessity.Whichsentencecorrectlyuses"must"togiveaninstruction?A.Youmustfinishyourhomeworkbeforedinner.B.Shemaygotothepartyifshewants.C.Heshouldnottalkduringthemeeting.D.Theycanleaveearlyiftheyfinishontime.Answer:AExplanation:"Must"isusedforstrongnecessity,asinOptionA.Buses"may"forpossibility,C"shouldnot"foradvice,andD"can"forability.二、填空题（每空2分，共20分）1.AccordingtoUnit9,todescribeapasteventthathasapresentresult,weusethe______tense.Forexample:"Hebrokehisleg,______hecannotplaybasketballnow."Answer:presentperfectExplanation:Thepresentperfecttense("have/has+pastparticiple")isusedforactionswithpresentrelevance.Theexampleshowsapastinjury("broke")affectingthepresent("cannotplay").2.InUnit9,welearnedthat"too+adjective/adverb"indicatessomethingisexcessive,while"so+adjective/adverb+that"showsa______.Forexample:"Thecoffeeistoohot______Icannotdrinkit."Answer:resultExplanation:"So...that"introducesaresultclause.Thesentencestructurerequires"result"tocompletethemeaning.3.Toexpressanactionthatstartedinthepastandcontinuestothepresent,weusethe______tense.Forexample:"I______Englishforfiveyears."Answer:havebeenstudyingExplanation:Thepresentperfectcontinuoustense("have/hasbeen+presentparticiple")isusedforongoingactions.Theexamplerequires"havebeenstudying"tomatchtheduration.4.InUnit9,thesecondconditionalisusedtodescribehypotheticalsituations.Thestructureis"If+______,______+would+baseverb."Forexample:"IfIwereabird,I______fly."Answer:Iwere;wouldflyExplanation:Thepastsubjunctive("were")isusedinthe"if"clause,and"would+baseverb"followsinthemainclause.5.Togiveadvice,weoftenuse"should"or"oughtto."Forexample:"You______moreexercisetostayhealthy."Answer:shoulddoExplanation:"Should"isamodalverbusedforrecommendations.Thebaseverb"do"isrequiredafter"should."6.InUnit9,welearnedthat"look"isaverbof______,while"see"isaverbofperception.Forexample:"Theteacher______attheblackboard."Answer:visionExplanation:"Look"impliesadeliberateaction(e.g.,"lookat"),while"see"ispassiveperception.Theblankshoulddescribethepurposeof"look."7.Todescribeapasthabitthatnolongerexists,weusethestructure"usedto+______."Forexample:"She______swimmingeverymorning."Answer:swimExplanation:"Usedto"requiresthebaseformoftheverb.Theexampleneeds"swim"tocompletethepasthabit.8.InUnit9,"for"isusedwith______toindicateaduration,while"since"isusedwitha______.Forexample:"I______here______twoyears."Answer:timeperiod;pointintimeExplanation:"For"workswithdurations(e.g.,"twoyears"),while"since"workswithspecifictimes(e.g.,"twoyearsago").9.Toexpresscontrastbetweentwoideas,weuse"______."Forexample:"Ilikecoffee______Iprefertea."Answer:butExplanation:"But"introducesacontrastingclause.Thesentencerequires"but"toshowthedifferencebetweencoffeeandteapreferences.10.InUnit9,welearnedthat"must"expresses______,while"may"expresses______.Forexample:"You______bringanIDcard."Answer:necessity;possibilityExplanation:"Must"indicatesstrongobligation,while"may"suggestspossibility.Theexamplerequires"must"forarequirement.三、判断题（每题2分，共20分）1.Thepassivevoiceisalwaysusedwhendescribinghowabuildingwasconstructed.Answer:FalseExplanation:Whilethepassivevoice("wasbuilt")iscommon,theactivevoice("architectsbuiltit")isalsoacceptable.Thechoicedependsonemphasis.2."Should"and"oughtto"havethesamemeaningandcanbeusedinterchangeably.Answer:TrueExplanation:Bothareusedforadvice,though"oughtto"isslightlymoreformal.Theyarefunctionallyequivalentinmostcontexts.3."Lookforwardto"isaphrasalverbthatmeanstodislikesomething.Answer:FalseExplanation:"Lookforwardto"meanstoanticipatesomethingpositively(e.g.,"lookforwardtotheweekend").Itdoesnotindicatedislike.4.Thepresentperfectcontinuoustenseisusedtodescribeactionsthatstartedinthepastandcontinuetothepresent.Answer:TrueExplanation:Thestructure("have/hasbeen+presentparticiple")emphasizesanongoingactionwithaconnectiontothepresent.5."So...that"and"too...to"bothshowaresult,butonly"so...that"canbeusedwith"too."Answer:FalseExplanation:Bothstructuresshowresults."So...that"uses"so,"while"too...to"uses"too."Theyaredistinctbutrelated.6."Must"isstrongerthan"haveto"inexpressingnecessity.Answer:TrueExplanation:"Must"indicatesastrongerobligation(e.g.,"Youmustleave"),while"haveto"ismoregeneral(e.g.,"Youhavetoleave").7.Thesecondconditionalisusedforrealsituations,nothypotheticalones.Answer:FalseExplanation:Thesecondconditional("If+pastsubjunctive,would+baseverb")isspecificallyforunrealorunlikelysituations.8."See"canbeusedasanoun,but"look"cannot.Answer:FalseExplanation:Bothcanbenouns(e.g.,"alook,""asee")."See"canrefertoanactofperception,while"look"referstoavisualaction.9."For"isalwaysusedwithtimeexpressions,while"since"isneverusedwithdurations.Answer:FalseExplanation:"For"workswithdurations(e.g.,"fortwoyears"),while"since"workswithpointsintime(e.g.,"since2020").Bothareusedwithtime.10."Usedto"and"would"canbeusedinterchangeablytodescribepasthabits.Answer:FalseExplanation:"Usedto"isspecifictopasthabits(e.g.,"usedtoplay"),while"would"candescribepastpreferencesoractions(e.g.,"Iwouldplay").Theyarenotfullyinterchangeable.四、简答题（每题2分，共16分）1.Explainthedifferencebetween"look"and"see"inUnit9.Provideanexampleforeach.Answer:-"Look"isaverbofaction,meaningtodirectone’seyestowardsomethingdeliberately(e.g.,"Lookattheblackboard").-"See"isaverbofperception,meaningtonoticesomethingpassively(e.g.,"Iseethebirdinthesky").Explanation:Thekeydifferenceisintent."Look"requiresapurpose,while"see"isaresultofperception.2.Howdoyouformthepresentperfecttense?Giveanexample.Answer:Thepresentperfecttenseisformedas"have/has+pastparticiple"(e.g.,"Ihavefinishedmyhomework").Explanation:Theauxiliaryverb"have/has"+pastparticipleisusedtodescribeactionswithpresentrelevance.3.Whatisthesecondconditional,andwhenisitused?Provideanexample.Answer:Thesecondconditionalis"If+pastsubjunctive,would+baseverb"(e.g.,"IfIhadmoretime,Iwouldstudyharder").Explanation:Itisusedforhypotheticalorunlikelysituationsinthepresentorfuture.4.Describetheuseof"so...that"and"too...to"inUnit9.Giveoneexampleofeach.Answer:-"So...that"showsastrongresult(e.g.,"ItwassocoldthatIfroze").-"Too...to"showsinabilityduetoexcess(e.g.,"Itwastoocoldtoplayoutside").Explanation:Bothindicatearesult,but"so...that"describesasituation,while"too...to"describesanaction.5.Howdoyouuse"for"and"since"toindicatetime?Provideexamples.Answer:-"For"isusedwithdurations(e.g.,"Ihavelivedhereforfiveyears").-"Since"isusedwithpointsintime(e.g.,"Ihavelivedheresince2020").Explanation:"For"measurestime,while"since"marksastartingpoint.6.Whatisthestructureofthepresentperfectcontinuoustense?Giveanexample.Answer:Thestructureis"have/hasbeen+presentparticiple"(e.g.,"Shehasbeenstudyingforthreehours").Explanation:Itemphasizesanongoingactionwithaconnectiontothepresent.7.Howdoyougiveadviceusing"should"?Provideanexample.Answer:"Should"isusedforrecommendations(e.g.,"Youshouldstudymore").Explanation:Itisamodalverbthatsuggestsagoodideaorobligation.8.Whatisthedifferencebetween"must"and"haveto"?Provideanexampleofeach.Answer:-"Must"isstronger(e.g.,"Youmustleavenow").-"Haveto"isgeneral(e.g.,"Youhavetoleavenow").Explanation:"Must"indicatesastrongernecessity,while"haveto"ismoreflexible.五、应用题（每题4分，共24分）1.Rewritethefollowingsentenceinthepassivevoice:"Thestudentscompletedtheprojectlastweek."Answer:"Theprojectwascompletedbythestudentslastweek."Explanation:Thepassivevoicerequiresthesubjecttoreceivetheaction."Theproject"becomesthesubject,and"wascompleted"isthepassiveform.2.Completethesentencewiththecorrectformof"should":"It’sraining,soyou______takeanumbrella."Answer:shouldtakeExplanation:"Should"isusedforadviceinthiscontext.Thebaseverb"take"isrequiredafter"should."3.Changethefollowingsentencetothesecondconditional:"IfIhadacar,Iwouldgototheparty."Answer:"IwouldgotothepartyifIhadacar."Explanation:Thesecondconditionalswitchestheclauseswhilemaintainingthestructure("If+pastsubjunctive,would+baseverb").4.Use"for"todescribethedurationoftheaction:"Ihavelivedinthiscitysince2010."Answer:"Ihavelivedinthiscityfor15years."Explanation:"For"isusedwithaduration(15years),while"since"isusedwithapointintime(2010).5.Rewritethefollowingsentenceusing"too...to":"Theexamwasdifficult,soshecouldn’tpassit."Answer:"Theexamwastoodifficulttopass."Explanation:"Too...to"showsinabilityduetoexcessdifficulty.Theactiveverb"pass"ischangedtotheinfinitive.6.Completethesentencewiththecorrectformof"must":"You______bringyourIDcardtothebank."Answer:mustbringExplanation:"Must"isusedforstrongnecessity.Thebaseverb"bring"isrequiredafter"must."标准答案及解析一、单项选择题1.CExplanation:Thepassivevoiceis"be+pastparticiple."OptionCcorrectlyuses"wasbuilt."2.AExplanation:"Should"isforadvice.OptionAprovidesactionableadvice.3.BExplanation:"Too"indicatesexcessiveness.OptionBcorrectlyuses"toodifficult."4.AExplanation:Thepresentperfecttenseisforlifeexperiences.OptionAiscorrect.5.BExplanation:"See"isforvisualperception.OptionBiscorrect.6.AExplanation:"Usedto"requiresthebaseverb.OptionAiscorrect.7.BExplanation:"For"iswithduration.OptionBiscorrect.8.AExplanation:Thesecondconditionalis"If+pastsubjunctive,would+baseverb."9.CExplanation:"So...that"showsaresult.OptionCiscorrect.10.AExplanation:"Must"isforstrongnecessity.OptionAiscorrect.二、填空题1.presentperfectExplanation:Thepresentperfecttenseisforactionswithpresentrelevance.2.resultExplanation:"So...that"introducesaresultclause.3.havebeenstudyingExplanation:Thepresentperfectcontinuoustenseisforongoingactions.4.Iwere;wouldflyExplanation:Thesecondconditionalrequirespastsubjunctive("were")and"would+baseverb."5.shoulddoExplanation:"Should"isforadvice.Thebaseverbisrequired.6.visionExplanation:"Look"impliesadeliberateaction(e.g.,"lookat").7.swimExplanation:"Usedto"requiresthebaseverb.8.timeperiod;pointintimeExplanation:"For"iswithduration,"since"withpointsintime.9.butExplanation:"But"introducesacontrastingclause.10.necessity;possibilityExplanation:"Must"isfornecessity,"may"forpossibility.三、判断题1.FalseExplanation:Theactivevoiceisalsoacceptable.2.TrueExplanation:"Should"and"oughtto"arefunctionallyequivalent.3.FalseExplanation:"Lookforwardto"ispositive.4.TrueExplanation:Thepresentperfectcontinuoustenseisforongoingactions.5.FalseExplanation:Bothstructuresshowresults.6.TrueExplanation:"Must"isstrongerthan"haveto."7.FalseExplanation:Thesecondconditionalisforhypotheticalsituations.8.FalseExplanation:Bothcanbenouns.9.FalseExplanation:"Since"workswithpointsintime.10.FalseExplanation:"Usedto"isspecifictopasthabits.四、简答题1."Look"isaverbofaction(e.g.,