2026届高三英语9-10《情态动词、虚拟语气》单选题汇编

前言情态动词与虚拟语气是高中英语语法体系中的重点与难点，亦是高考英语知识运用部分的常考内容。其用法灵活多变，语境依赖性强，对考生的语言综合运用能力提出了较高要求。为帮助2026届高三学子在9-10月份的复习阶段能更有针对性地梳理核心考点、强化解题技能，特汇编此单选题集。本汇编精选典型题目，力求覆盖情态动词与虚拟语气的主要考查方向，希望同学们能通过练习，深化理解，提升在具体语境中准确运用这些语法项目的能力。一、情态动词单选题汇编1.---DoyouthinkMomandDad______late?A.willbe;mightB.are;mustC.willbe;shouldD.are;would2.You______havetoldmeyouweregoingtobelate.Iwouldn'thavebeensoworried.A.mustB.shouldC.couldD.might3.---IsthatLucy'scoat?---It______behers.Shedoesn'tlikeredatall.A.can'tB.mustn'tC.needn'tD.shouldn't4.WhenIwasyoung,I______swimacrosstheriver,butnowIcan't.A.couldB.shouldC.mightD.need5.You______paytoomuchattentiontoyourreadingskill,asitissoimportant.A.mustn'tB.can'tC.needn'tD.shouldn't6.---IwonderiftheseareJim'sglasses.---They______belongtohim.Heneverwearsglasses.A.mustn'tB.can'tC.mightnotD.shouldn't7.Thetrafficissoheavy.We______arriveabitlate,socouldyousaveusaplace?A.canB.mustC.needD.might8.---ShallIinformhimofthechangeoftheschedulerightnow?A.willB.mustC.mayD.can9.You______becarefulwiththecamera.Itcosts!A.mustB.mayC.canD.will10.---______Iborrowyourdictionary?---Sure,hereyouare.A.MightB.ShouldC.MustD.Would11.She______havefinishedherhomework,forsheisstillintheclassroomnow.A.can'tB.mustn'tC.needn'tD.shouldn't12.---Icalledyoulastnight,butnooneanswered.---I______havebeeninthebathroom.A.willB.mustC.canD.should13.You______followthedoctor'sadviceandgiveupsmoking.It'sgoodforyourhealth.A.wouldB.shouldC.mightD.could14.---______youpassmethesalt,please?A.MightB.ShouldC.CouldD.Must15.Theroomisinaterriblemess;it______havebeencleaned.A.mustn'tB.can'tC.shouldn'tD.needn't二、虚拟语气单选题汇编16.IfI______you,I______accepttheinvitationwithouthesitation.A.were;wouldB.was;willC.am;wouldD.were;will17.Shesuggestedthatwe______themeetingtillnextweek.A.putoffB.wouldputoffC.toputoffD.puttingoff18.IwishI______tothepartylastnight,butIhadtoworkovertime.A.wentB.hadgoneC.couldgoD.havegone19.It'shightimewe______measurestoprotecttheenvironment.A.takeB.tookC.aretakingD.willtake20.Ifhe______morecarefully,he______themistakeintheexam.A.checked;wouldhavefoundB.hadchecked;wouldfindC.hadchecked;wouldhavefoundD.checked;wouldfind21.Withoutyourhelp,I______thetaskontime.A.wouldn'tfinishB.wouldn'thavefinishedC.didn'tfinishD.haven'tfinished22.Theteacherrequiredthatallthehomework______beforeFriday.A.behandedinB.handinC.wouldbehandedinD.handedin23.Hetalksasifhe______everythingintheworld.A.knowsB.knewC.hasknownD.hadknown24.IfonlyI______howtooperatethismachine!A.knowB.knewC.haveknownD.hadknown25.Itisnecessarythathe______intimetoattendthemeeting.26.Iwouldratheryou______methetruthyesterday.A.tellB.toldC.hadtoldD.wouldtell28.Shebehavesasthoughshe______theonlypersonintheroom.A.isB.wasC.wereD.beA.takesB.tookC.takeD.willtake30.Whatapity!Ifyou______afewminutesearlier,you______metthefamouswriter.三、答案与解析情态动词参考答案：1.C(willbe表将来；should表示“按理说应该”)2.B(shouldhavedone本应该做某事而未做)3.A(can't不可能，表示否定推测)4.A(could表示过去的能力)5.B(can't...too...再...也不为过)6.B(can't不可能，表示否定推测，语气较强)7.D(might可能，表示不确定的推测)8.B(must必须，根据语境“以免他开会迟到”，有“必须”的含义)9.A(must必须，语气强烈，因为“它很贵”)10.A(MightI...?委婉请求许可)11.A(can't不可能，表示否定推测，“她还在教室里”说明没完成)12.B(musthavedone对过去情况的肯定推测)13.B(should应该，表示建议或劝告)14.C(Couldyou...?委婉请求)15.B(can'thavedone对过去情况的否定推测，“一团糟”所以“不可能被打扫过”)情态动词解析要点：*注意区分情态动词表“能力”、“许可”、“推测”、“义务/责任”、“建议”等不同含义。*表推测时，can/could常用于否定句和疑问句，must用于肯定句，may/might可能性较must弱。*“情态动词+havedone”结构用于对过去情况的推测或评论。*should/oughttohavedone表示“本应该做而未做”，带有责备意味；needn'thavedone表示“本不必做而做了”。虚拟语气参考答案：16.A(与现在事实相反的假设，if从句用were/did，主句用would/should/could/might+do)17.A(suggest表示“建议”时，宾语从句用(should)+动词原形)18.B(wish后接宾语从句，表示与过去事实相反的愿望，用haddone)19.B(It'shightimethat...从句中用过去式或should+do，should不可省略)20.C(与过去事实相反的假设，if从句用haddone，主句用would/should/could/might+havedone)21.B(Withoutyourhelp=IfIhadn'thadyourhelp，与过去事实相反，主句用wouldhavedone)22.A(require表示“要求”时，宾语从句用(should)+动词原形，此处为被动语态)23.B(asif/asthough引导方式状语从句，表示与现在事实相反的假设，用过去式)24.B(Ifonly...!要是...就好了！表示与现在事实相反的愿望，用过去式)25.A(Itisnecessarythat...从句中用(should)+动词原形)26.C(wouldrather后接从句，与过去事实相反，用haddone)27.A(if从句表示对将来情况的假设，可用should+do，主句用would+do)28.C(asif/asthough引导方式状语从句，表示与现在事实相反的假设，be动词用were)30.B(与过去事实相反的假设，if从句用haddone，主句用would/should/could/might+havedone)虚拟语气解析要点：*准确判断虚拟语气的三种基本时间（与现在、过去、将来事实相