2025-2026年北师大版高二英语第9单元语法填空同步练习题

2025-2026年北师大版高二英语第9单元语法填空同步练习题一、单项选择题（总共10题，每题2分，共20分）1.The9thunitofthe2025-2026BeishiduEnglishtextbookfocusesonthegrammaticalstructureof______,whichisessentialforstudentstomasterattheseniorhighschoollevel.Thetopicinvolvesthecorrectusageof______inspecificcontexts,suchasconditionalsentencesandpassivevoice.A.subjunctivemoodincomplexsentencesB.imperativemoodindailyconversationsC.indicativemoodinnarrativewritingD.exclamatorymoodinpoeticexpressions解析：本题考查北师大版高二英语第9单元的核心语法知识点。该单元重点讲解虚拟语气在复杂句中的运用，包括条件句和被动语态的混合使用。选项A正确，因为虚拟语气是第9单元的重点内容，尤其在非真实条件句中；选项B错误，命令语气在第9单元中未重点提及；选项C错误，陈述语气是基础语法，非本单元重点；选项D错误，感叹语气属于修辞手法，与语法填空无关。解析需详细说明虚拟语气的定义、用法及在本单元中的具体体现，并指出其他选项为何不符合单元主题。2.Whenfillingintheblankinthesentence"IfI______rich,Iwouldtravelaroundtheworld,"thecorrectverbformis______.Thisquestiontestsstudents'abilitytorecognizethestructureofunrealconditionalsentences,wherethefirstclauseusesthepresentsubjunctive.A.wereB.amC.wasD.are解析：本题考查非真实条件句的虚拟语气用法。在if引导的假设条件句中，若表示与现在事实相反的情况，从句需用一般过去时或现在进行时。但若if从句省略if，需将were提前，如"IfIwererich"；若主句用would，则从句必须用一般过去时。选项A正确，符合虚拟语气规则；选项B错误，am为现在时；选项C错误，was为过去时；选项D错误，are为现在时。解析需补充说明虚拟语气的三种时态形式（现在、过去、将来），并举例说明省略if时的倒装规则。3.Thegrammar填空"Thebook______notbehers;itmustbelongtoSarah"requirestheuseof______toexpresscertaintyaboutanactionnothavingbeenperformed.Thisquestionassessesstudents'understandingofthepassivevoiceinitsnegativeform.A.canB.mayC.mustD.shall解析：本题考查情态动词的被动语态否定形式。mustn't表示强烈的否定推测，常用于判断动作未发生。选项C正确，mustnotbehers符合语法规则；选项A错误，can't表示可能性而非确定性；选项B错误，maynot表示推测但语气较弱；选项D错误，shallnot用于规定或命令。解析需说明mustn't的用法场景，并对比其他情态动词的被动语态区别。4.Inthesentence"Hadtheystudiedharder,they______passedtheexam,"thecorrectverbformtofillintheblankis______.Thisquestiontestsstudents'abilitytorecognizetheinvertedstructureofpastunrealconditionalsentences,whichisakeyfeatureofthe9thunit.A.wouldhavebeenB.hadbeenC.wouldbeD.were解析：本题考查过去虚拟条件句的倒装结构。若if省略，需将had提前，主句用wouldhave+过去分词。选项A正确，wouldhavebeen符合倒装规则；选项B错误，hadbeen为过去完成时；选项C错误，wouldbe为一般过去时；选项D错误，were为倒装但时态错误。解析需补充说明倒装句的两种形式（had提前或were提前），并举例说明与一般虚拟句的区别。5.Thegrammar填空"Itisimportantthateveryone______treatedequally,regardlessoftheirbackground"requirestheuseof______toexpressarecommendationornecessityinaformaltone.Thisquestionassessesstudents'understandingofthesubjunctivemoodinnounclauses.A.shouldbeB.mustbeC.canbeD.maybe解析：本题考查名词性从句中的虚拟语气。在itisimportant/necessary/essentialthat从句中，主语从句需用should+动词原形，should可省略。选项A正确，shouldbetreatedequally符合语法规则；选项B错误，mustbe表示强制性而非建议；选项C错误，canbe表示能力；选项D错误，maybe表示可能性。解析需说明此类从句的固定结构，并对比其他名词性从句的用法。6.Thesentence"IfI______you,Iwouldapologizeimmediately"requiresthecorrectuseof______toexpressadviceinaconditionalcontext.Thisquestiontestsstudents'abilitytorecognizethefirst-typeconditionalsentencestructure.A.amB.wereC.wasD.are解析：本题考查第一类条件句的虚拟语气。若if从句表示与现在事实相反，需用一般过去时。选项B正确，wereyou符合虚拟语气规则；选项A、C、D为现在时或过去时，但不符合条件句的虚拟结构。解析需说明第一类条件句的时态搭配（现在真实条件句用一般现在时），并举例说明与第二类条件句的区别。7.Thegrammar填空"Theexperiment______nothavebeenconductedlastweek;theresultsweretooinconsistent"requirestheuseof______toexpressapastdeductionwithcertainty.Thisquestionassessesstudents'understandingofthepastpassivevoicewithmodalverbs.A.musthavebeenB.canhavebeenC.mayhavebeenD.shallhavebeen解析：本题考查过去完成时的情态动词被动语态。musthavebeendone表示对过去动作的强烈推测。选项A正确，musthavebeenconducted符合语法规则；选项B错误，can'thavebeen表示不可能；选项C错误，mayhavebeen可能性较弱；选项D错误，shallhavebeen用于将来规定。解析需说明musthavedone的用法场景，并对比其他情态动词的完成时被动语态。8.Thesentence"Ifthey______morecareful,they______nothavemadethatmistake"requiresthecorrectuseof______inbothblankstoexpressapastunrealconditionalsituation.Thisquestiontestsstudents'abilitytocombinetwoconditionalclausesinasinglesentence.A.were/wouldhavebeenB.hadbeen/wouldbeC.were/wouldbeD.hadbeen/wouldhavebeen解析：本题考查复合虚拟条件句的时态搭配。若主句表示与过去事实相反，需用wouldhave+过去分词；从句表示与过去事实相反，需用had+过去分词。选项D正确，hadbeen/wouldhavebeen符合规则；选项A错误，were/wouldhavebeen时态错误；选项B错误，hadbeen/wouldbe时态错误；选项C错误，were/wouldbe时态错误。解析需说明复合虚拟句的两种结构（一个从句省略if，一个主句省略if），并举例说明与简单虚拟句的区别。9.Thegrammar填空"Itissuggestedthattheproposal______reviewedbythecommitteebeforethemeeting"requirestheuseof______toexpressarecommendationinaformalcontext.Thisquestionassessesstudents'understandingofthesubjunctivemoodininfinitivephrases.A.shouldbeB.mustbeC.canbeD.maybe解析：本题考查不定式短语中的虚拟语气。在Itissuggested/recommended/orderedthat从句中，主语从句需用should+动词原形，should可省略。选项A正确，shouldbereviewed符合语法规则；选项B错误，mustbe表示强制性；选项C错误，canbe表示能力；选项D错误，maybe表示可能性。解析需说明此类从句的固定结构，并对比其他不定式短语的用法。10.Thesentence"IfI______achancetotraveltoEurope,IwouldvisittheEiffelTower"requiresthecorrectuseof______toexpressahypotheticalfuturesituation.Thisquestiontestsstudents'abilitytorecognizethethird-typeconditionalsentencestructure.A.hadB.haveC.hadhadD.havehad解析：本题考查第三类条件句的虚拟语气。若if从句表示与将来事实相反，需用一般过去时或shouldhave+过去分词。选项A正确，hadachance符合虚拟语气规则；选项B、C、D为现在完成时或过去完成时，不符合条件句的虚拟结构。解析需说明第三类条件句的时态搭配（一般过去时或shouldhavedone），并举例说明与第一类、第二类条件句的区别。二、填空题（总共10题，每题2分，共20分）1.Inthesentence"IfI______moretime,Iwouldfinishtheproject,"thecorrectverbformtofillintheblankis______.Thisquestiontestsstudents'abilitytorecognizethestructureofunrealconditionalsentencesinthepresenttense.参考答案：had解析：本题考查第三类条件句的省略if结构。若if从句省略if，需将had提前，如"IfIhadmoretime"；若主句用would，则从句必须用一般过去时。解析需补充说明省略if时的倒装规则，并举例说明其他虚拟句的省略形式。2.Thegrammar填空"Thereportmust______completedbyFriday,orthedeadlinewillbemissed"requirestheuseof______toexpressafutureobligationinthepassivevoice.参考答案：be解析：本题考查一般现在时的情态动词被动语态。mustbedone表示必须完成的动作。解析需说明must的用法场景，并对比其他情态动词的被动语态。3.Inthesentence"Ifthey______studiedharder,they______passedtheexam,"thecorrectverbformstofillintheblanksare______and______.Thisquestiontestsstudents'abilitytorecognizetheinvertedstructureofpastunrealconditionalsentences.参考答案：had/wouldhave解析：本题考查过去虚拟条件句的倒装结构。若if省略，需将had提前，主句用wouldhave+过去分词。解析需补充说明倒装句的两种形式，并举例说明与一般虚拟句的区别。4.Thegrammar填空"Itisimportantthateveryone______treatedfairly,regardlessoftheirposition"requirestheuseof______toexpressarecommendationinaformaltone.参考答案：shouldbe解析：本题考查名词性从句中的虚拟语气。在itisimportant/necessary/essentialthat从句中，主语从句需用should+动词原形，should可省略。解析需说明此类从句的固定结构，并对比其他名词性从句的用法。5.Inthesentence"IfI______you,Iwouldapologizeimmediately,"thecorrectverbformtofillintheblankis______.Thisquestiontestsstudents'abilitytorecognizethefirst-typeconditionalsentencestructure.参考答案：were解析：本题考查第一类条件句的虚拟语气。若if从句表示与现在事实相反，需用一般过去时。解析需说明第一类条件句的时态搭配，并举例说明与第二类条件句的区别。6.Thegrammar填空"Theexperiment______nothavebeenconductedlastweek;theresultsweretooinconsistent"requirestheuseof______toexpressapastdeductionwithcertainty.参考答案：musthavebeen解析：本题考查过去完成时的情态动词被动语态。musthavebeendone表示对过去动作的强烈推测。解析需说明musthavedone的用法场景，并对比其他情态动词的完成时被动语态。7.Inthesentence"Ifthey______morecareful,they______nothavemadethatmistake,"thecorrectverbformstofillintheblanksare______and______.Thisquestiontestsstudents'abilitytocombinetwoconditionalclausesinasinglesentence.参考答案：hadbeen/wouldhavebeen解析：本题考查复合虚拟条件句的时态搭配。若主句表示与过去事实相反，需用wouldhave+过去分词；从句表示与过去事实相反，需用had+过去分词。解析需说明复合虚拟句的两种结构，并举例说明与简单虚拟句的区别。8.Thegrammar填空"Itissuggestedthattheproposal______reviewedbythecommitteebeforethemeeting"requirestheuseof______toexpressarecommendationinaformalcontext.参考答案：shouldbe解析：本题考查不定式短语中的虚拟语气。在Itissuggested/recommended/orderedthat从句中，主语从句需用should+动词原形，should可省略。解析需说明此类从句的固定结构，并对比其他不定式短语的用法。9.Inthesentence"IfI______achancetotraveltoEurope,IwouldvisittheEiffelTower,"thecorrectverbformtofillintheblankis______.Thisquestiontestsstudents'abilitytorecognizethethird-typeconditionalsentencestructure.参考答案：had解析：本题考查第三类条件句的虚拟语气。若if从句表示与将来事实相反，需用一般过去时或shouldhave+过去分词。解析需说明第三类条件句的时态搭配，并举例说明与第一类、第二类条件句的区别。10.Thegrammar填空"Thebook______notbehers;itmustbelongtoSarah"requirestheuseof______toexpresscertaintyaboutanactionnothavingbeenperformed.参考答案：can解析：本题考查情态动词的否定形式。can't表示强烈的否定推测，常用于判断动作未发生。解析需说明can't的用法场景，并对比其他情态动词的否定形式。三、判断题（总共10题，每题2分，共20分）1.Thesentence"IfIwereyou,Iwouldapologizeimmediately"isanexampleofafirst-typeconditionalsentence,whichdescribesarealpossibilityinthepresent.参考答案：错误解析：本题考查条件句的分类。若if从句表示与现在事实相反，需用一般过去时，属于第二类条件句；若表示与现在事实相同，需用一般现在时，属于第一类条件句。解析需说明两类条件句的时态区别，并举例说明。2.Thesubjunctivemoodisalwaysusedinnounclausestoexpresssuggestionsorrecommendations.参考答案：错误解析：本题考查虚拟语气的用法。在名词性从句中，虚拟语气仅用于itisimportant/necessary/essentialthat从句，其他从句需用陈述语气。解析需说明虚拟语气在名词性从句中的固定用法，并举例说明其他从句的用法。3.Thesentence"Theexperimentmusthavebeenconductedlastweek"isanexampleofthepastpassivevoicewithmodalverbs,expressingadeductionwithcertainty.参考答案：正确解析：本题考查过去完成时的情态动词被动语态。musthavebeendone表示对过去动作的强烈推测。解析需说明musthavedone的用法场景，并对比其他情态动词的完成时被动语态。4.Thesentence"Iftheyhadstudiedharder,theywouldhavepassedtheexam"isanexampleofathird-typeconditionalsentence,whichdescribesahypotheticalsituationinthepast.参考答案：正确解析：本题考查第三类条件句的时态搭配。若主句表示与过去事实相反，需用wouldhave+过去分词；从句表示与过去事实相反，需用had+过去分词。解析需说明第三类条件句的时态搭配，并举例说明与第一类、第二类条件句的区别。5.Thesubjunctivemoodisneverusedinimperativesentences.参考答案：错误解析：本题考查命令语气的虚拟语气用法。在虚拟命令句中，需用虚拟语气，如"ifIwereyou,Iwoulddoit"。解析需说明命令句的虚拟语气形式，并举例说明。6.Thesentence"Itisimportantthateveryoneshouldbetreatedfairly"isgrammaticallycorrect.参考答案：错误解析：本题考查名词性从句中的虚拟语气。在itisimportant/necessary/essentialthat从句中，主语从句需用should+动词原形，should可省略。解析需说明此类从句的固定结构，并指出错误原因。7.Thesentence"IfIweretotraveltoEurope,IwouldvisittheEiffelTower"isanexampleofafirst-typeconditionalsentencewithamodalverb.参考答案：错误解析：本题考查条件句的虚拟语气形式。若if从句表示与将来事实相反，需用一般过去时或shouldhave+过去分词，属于第三类条件句；若表示与现在事实相反，需用一般过去时，属于第二类条件句。解析需说明两类条件句的时态区别，并举例说明。8.Thesentence"Thebookcannotbehers;itmustbelongtoSarah"isanexampleofthepassivevoicewithmodalverbs,expressingadeductionwithcertainty.参考答案：正确解析：本题考查情态动词的否定形式。can't表示强烈的否定推测，常用于判断动作未发生。解析需说明can't的用法场景，并对比其他情态动词的否定形式。9.Thesubjunctivemoodisalwaysusedinifclausestoexpresshypotheticalsituations.参考答案：错误解析：本题考查条件句的虚拟语气用法。若if从句表示与现在或将来事实相反，需用虚拟语气；若表示与现在事实相同，需用陈述语气。解析需说明条件句的时态搭配，并举例说明。10.Thesentence"Iftheyhadstudiedharder,theywouldpasstheexam"isanexampleofasecond-typeconditionalsentence,whichdescribesarealpossibilityinthepresent.参考答案：错误解析：本题考查条件句的分类。若if从句表示与现在事实相反，需用一般过去时，属于第二类条件句；若表示与现在事实相同，需用一般现在时，属于第一类条件句。解析需说明两类条件句的时态区别，并举例说明。四、简答题（总共8题，每题2分，共16分）1.Explainthestructureandusageoffirst-typeconditionalsentencesinthe9thunitoftheBeishiduEnglishtextbook.Provideanexample.参考答案：First-typeconditionalsentencesdescriberealpossibilitiesinthepresent.Theyconsistofanifclauseusingthepresentsimpletenseandamainclauseusingthepresentsimpleorfuturesimpletense.Forexample,"Ifitrainstomorrow,wewillcancelthepicnic."Here,theifclause"Ifitrainstomorrow"statesapossiblefutureevent,andthemainclause"wewillcancelthepicnic"describesthelikelyconsequence.解析：本题考查第一类条件句的结构和用法。解析需说明时态搭配、结构形式，并举例说明。评分标准：结构说明占1分，例句占1分。2.Describethefunctionofthesubjunctivemoodinnounclausesinthe9thunit.Provideanexample.参考答案：Thesubjunctivemoodisusedinnounclausestoexpresssuggestions,recommendations,ordemands.Forexample,"Itisimportantthateveryoneshouldbetreatedfairly."Here,thenounclause"thateveryoneshouldbetreatedfairly"expressesarecommendation,andthesubjunctivemoodisusedtoindicatethisformaltone.解析：本题考查名词性从句中的虚拟语气用法。解析需说明功能场景，并举例说明。评分标准：功能说明占1分，例句占1分。3.Explainthedifferencebetweenthepastpassivevoicewithmodalverbsandthesimplepastpassivevoice.Provideanexampleofeach.参考答案：Thepastpassivevoicewithmodalverbsexpressesadeductionorcertaintyaboutapastaction.Forexample,"ThebookmusthavebeenwrittenbyShakespeare."Thesimplepastpassivevoicedescribesacompletedactioninthepast.Forexample,"ThebookwaswrittenbyShakespeare."Theformerimpliescertainty,whilethelatterstatesafact.解析：本题考查情态动词被动语态与一般过去时被动语态的区别。解析需说明功能区别，并举例说明。评分标准：区别说明占1分，例句占1分。4.Describethestructureofthird-typeconditionalsentencesinthe9thunit.Provideanexample.参考答案：Third-typeconditionalsentencesdescribehypotheticalsituationsinthepast.Theyconsistofanifclauseusingthepastperfecttenseandamainclauseusingwouldhave+pastparticiple.Forexample,"Iftheyhadstudiedharder,theywouldhavepassedtheexam."Here,theifclause"Iftheyhadstudiedharder"statesapasthypotheticalevent,andthemainclause"theywouldhavepassedtheexam"describesthelikelyconsequence.解析：本题考查第三类条件句的结构和用法。解析需说明时态搭配、结构形式，并举例说明。评分标准：结构说明占1分，例句占1分。5.Explainthefunctionofthesubjunctivemoodinimperativesentencesinthe9thunit.Provideanexample.参考答案：Thesubjunctivemoodisusedinimperativesentencestoexpressahypotheticalorpolitecommand.Forexample,"IfIwereyou,Iwouldapologizeimmediately."Here,thesubjunctivemood"wereyou"isusedtoexpressapolitesuggestionratherthanadirectcommand.解析：本题考查命令句的虚拟语气用法。解析需说明功能场景，并举例说明。评分标准：功能说明占1分，例句占1分。6.Describetheusageofmusthavebeendoneinthe9thunit.Provideanexample.参考答案：Musthavebeendoneisusedtoexpressastrongdeductionaboutapastactionthatwasnotactuallyobserved.Forexample,"Thedoormusthavebeenlockedfromtheinside."Here,thespeakeriscertainthatthedoorwaslocked,eventhoughtheydidnotseeithappen.解析：本题考查musthavedone的用法场景。解析需说明功能，并举例说明。评分标准：功能说明占1分，例句占1分。7.Explainthedifferencebetweenthefirst-typeandsecond-typeconditionalsentencesinthe9thunit.Provideanexampleofeach.参考答案：First-typeconditionalsentencesdescriberealpossibilitiesinthepresent.Forexample,"Ifitrainstomorrow,wewillcancelthepicnic."Second-typeconditionalsentencesdescribehypotheticalsituationsinthepresent.Forexample,"IfIhadamilliondollars,Iwouldtravelaroundtheworld."Theformerisbasedonactualconditions,whilethelatterisbasedonimagination.解析：本题考查两类条件句的区别。解析需说明功能区别，并举例说明。评分标准：区别说明占1分，例句占1分。8.Describethestructureofnounclauseswiththesubjunctivemoodinthe9thunit.Provideanexample.参考答案：Nounclauseswiththesubjunctivemoodareusedtoexpresssuggestions,recommendations,ordemands.Forexample,"Itisimportantthateveryoneshouldbetreatedfairly."Here,thenounclause"thateveryoneshouldbetreatedfairly"expressesarecommendation,andthesubjunctivemoodisusedtoindicatethisformaltone.解析：本题考查名词性从句中的虚拟语气结构。解析需说明结构形式，并举例说明。评分标准：结构说明占1分，例句占1分。五、应用题（总共8题，每题4分，共24分）1.Completethefollowingsentencewiththecorrectformoftheverbintheblank:"IfI______moretime,Iwouldfinishtheproject."参考答案：had解析：本题考查第三类条件句的省略if结构。若if从句省略if，需将had提前，如"IfIhadmoretime"；若主句用would，则从句必须用一般过去时。解析需补充说明省略if时的倒装规则，并举例说明其他虚拟句的省略形式。2.Completethefollowingsentencewiththecorrectformoftheverbintheblank:"Thereportmust______completedbyFriday,orthedeadlinewillbemissed."参考答案：be解析：本题考查一般现在时的情态动词被动语态。mustbedone表示必须完成的动作。解析需说明must的用法场景，并对比其他情态动词的被动语态。3.Completethefollowingsentencewiththecorrectformoftheverbintheblank:"Ifthey______studiedharder,they______passedtheexam."参考答案：hadbeen/wouldhavebeen解析：本题考查复合虚拟条件句的时态搭配。若主句表示与过去事实相反，需用wouldhave+过去分词；从句表示与过去事实相反，需用had+过去分词。解析需说明复合虚拟句的两种结构，并举例说明与简单虚拟句的区别。4.Completethefollowingsentencewiththecorrectformoftheverbintheblank:"Itissuggestedthattheproposal______reviewedbythecommitteebeforethemeeting."参考答案：shouldbe解析：本题考查不定式短语中的虚拟语气。在Itissuggested/recommended/orderedthat从句中，主语从句需用should+动词原形，should可省略。解析需说明此类从句的固定结构，并对比其他不定式短语的用法。5.Completethefollowingsentencewiththecorrectformoftheverbintheblank:"IfI______achancetotraveltoEurope,IwouldvisittheEiffelTower."参考答案：had解析：本题考查第三类条件句的虚拟语气。若if从句表示与将来事实相反，需用一般过去时或shouldhave+过去分词。解析需说明第三类条件句的时态搭配，并举例说明与第一类、第二类条件句的区别。6.Completethefollowingsentencewiththecorrectformoftheverbintheblank:"Thebook______notbehers;itmustbelongtoSarah."参考答案：can解析：本题考查情态动词的否定形式。can't表示强烈的否定推测，常用于判断动作未发生。解析需说明can't的用法场景，并对比其他情态动词的否定形式。7.Completethefollowingsentencewiththecorrectformoftheverbintheblank:"Ifthey______morecareful,they______nothavemadethatmistake."参考答案：hadbeen/wouldhavebeen解析：本题考查复合虚拟条件句的时态搭配。若主句表示与过去事实相反，需用wouldhave+过去分词；从句表示与过去事实相反，需用had+过去分词。解析需说明复合虚拟句的两种结构，并举例说明与简单虚拟句的区别。8.Completethefollowingsentencewiththecorrectformoftheverbintheblank:"Thegrammarfill-in-the-blank'Thebookmustnothavebeenwrittenbyhim'requirestheuseof______toexpressapastdeductionwithcertainty."参考答案：musthavebeen解析：本题考查过去完成时的情态动词被动语态。musthavebeendone表示对过去动作的强烈推测。解析需说明musthavedone的用法场景，并对比其他情态动词的完成时被动语态。【标准答案及解析】一、单项选择题1.A2.A3.C4.A5.A6.B7.A8.D9.A10.A二、填空题1.had2.be3.had/wouldhave4.shouldbe5.were6.musthavebeen7.hadbeen/wouldhavebeen8.shouldbe9.had10.can三、判断题1.错误2.错误3.正确4.正确5.错误6.错误7.错误8.正确9.错误10.错误四、简答题1.First-typeconditionalsentencesdescriberealpossibilitiesinthepresent.Theyconsistofanifclauseusingthepresentsimpletenseandamainclauseusingthepresentsimpleorfuturesimpletense.Forexample,"Ifitrainstomorrow,wewillcancelthepicnic."Here,theifclause"Ifitrainstomorrow"statesapossiblefutureevent,andthemainclause"wewillcancelthepicnic"describesthelikelyconsequence.2.Thesubjunctivemoodisusedinnounclausestoexpresssuggestions,recommendations,ordemands.Forexample,"Itisimportantthateveryoneshouldbetreatedfairly."Here,thenounclause"thateveryoneshouldbetreatedfairly"expressesarecommendation,andthesubjunctivemoodisusedtoindicatethisformaltone.3.Thepastpassivevoicewithmodalverbsexpressesadeductionorcertaintyabout