主语从句试题及答案

主语从句试题及答案

一、前言主语从句是英语语法中基础且重要的从句类型，在各类英语考试（如中考、高考、四六级等）中频繁出现，也是理解复杂句式的关键为帮助学习者巩固相关知识点，本文整理了4种题型的主语从句试题（单项选择、多项选择、判断、简答），涵盖常见考点，供自测练习试题严格依据英语语法规范设计，答案附后，方便核对

二、单项选择题（共30题，每题1分）本部分考查主语从句的基础连接词、语序及形式主语用法，每小题只有一个正确选项______caused thetraffic accidentis stillunderinvestigation bythe police.A.What B.Which C.How D.ThatIt is still unknown______the meeting will beheld nextweek.A.when B.where C.whether D.why______we need more timeto finishthe projectis obvioustoeveryone.A.What B.That C.Whether D.How______the newpolicy will be implementedhas beenannouncedby thegovernment.A.When B.What C.Why D.Which______makes mehappy isthat allmy classmatespassed theexam.A.That B.What C.Which D.HowIt is a fact______English iswidely usedaround theworld.第1页共13页A.which B.what C.that D.if______team will win thematch is still a question.A.Which B.What C.Whose D.How______we needto solvethe problemis notclear yet.A.What B.That C.Why D.Which______he will come to the partydepends onhis workschedule.A.Whether B.If C.What D.ThatIt is important______we learnfrom mistakes.A.what B.that C.which D.when______the childrenare interestedin isplaying computergames.A.That B.What C.Which D.How______the meetingwill becanceled is a rumor.A.What B.Whether C.That D.WhyIt isclear______she hasmade greatprogress inEnglish.A.that B.what C.which D.when______we canget enoughdata is the keytotheresearch.A.How B.What C.That D.Which______the weatherwillbefine tomorrowis crucialfor thepicnic.A.Whether B.If C.What D.ThatIt is a pity______we can’t attend the concerttogether.A.that B.which C.what D.why______he saidat the meeting surprisedeveryone.A.What B.That C.Which D.How第2页共13页______we needto dois finishthe reportbefore Friday.A.What B.That C.Whether D.HowIt is still apuzzle______the ancientcity wasbuilt.A.where B.when C.why D.how______is known to all,the earthgoes aroundthe sun.A.Which B.As C.What D.That______we will go fora walkdepends on the weather.A.Whether B.If C.What D.ThatIt ispossible______he hasalready leftthe city.A.that B.which C.what D.when______the bookis interestingis notthe mainpoint.A.What B.That C.Whether D.How______we cansucceed depends on our efforts.A.How B.What C.That D.WhichIt is a question______we shouldaccept theoffer.A.whether B.if C.that D.what______she forgotto bringthe keymade herlocked out.A.What B.That C.Which D.How______themeetingstarts isscheduled for9:00AM.A.When B.What C.Why D.WhichIt iscertain______our teamwillwinthe game.A.that B.which C.what D.when______we need more equipmentistheconclusion ofthe report.A.That B.What C.Whether D.How______makes thiscity specialis itscultural diversity.第3页共13页A.What B.That C.Which D.How

三、多项选择题（共20题，每题2分）本部分考查主语从句的复杂考点，每题有多个正确选项，多选、少选、错选均不得分下列哪些连接词可以引导主语从句？（多选）A.That B.Whether C.If D.What关于主语从句的语序，下列说法正确的有？（多选）A.主语从句需用陈述句语序B.否定词需放在主语之后、谓语之前C.疑问词引导的主语从句中，疑问词需提前D.形式主语it后的主语从句需用疑问句语序下列句子中包含主语从句的有？（多选）A.What hesaid is important.B.It isclear that he ishonest.C.Whether wego or not depends onthe weather.D.That shepassed theexam madeus happy.下列哪些情况常用it作形式主语？（多选）A.主语从句较长时B.主语从句位于句首时C.主语从句表达否定意义时D.主语从句表达疑问意义时下列连接词中，既能引导主语从句又能在从句中作成分的有？（多选）A.What B.Which C.That D.Whether第4页共13页关于“whether”和“if”引导主语从句，下列说法正确的有？（多选）A.whether可引导主语从句B.if可引导主语从句C.whether可与or not连用D.if可与or not连用下列句子中，主语从句使用错误的有？（多选）A.If he will comeis notsure yet.B.That isimportant whatyou said.C.What we need themto dois finishthe task.D.It is said thatwhether hewill joinus.下列句子中，连接词使用正确的有？（多选）A.Who brokethe windowis unknown.B.How we can solvethe problemare stillquestions.C.Whose bookis onthe deskis notclear.D.Why didhe leaveisamystery.主语从句中，“that”的用法特点有？（多选）A.无实际意义B.不可省略C.可省略D.引导主语从句时可与what互换下列句子中，形式主语it的用法正确的有？（多选）A.It isclear thathe isright.B.It is not knownwhen themeetingwillstart.C.It isimportant for us that we learn English well.第5页共13页D.It issaid thatwhether hewill come.下列哪些属于主语从句的连接副词？（多选）A.When B.Where C.Why D.How下列句子中，主语从句与表语从句混淆的有？（多选）A.What hewants tobe isa doctor.（表语从句）B.That he isa doctor istrue.（主语从句）C.What isa doctoris hisdream.（主语从句）D.Is thathe isadoctortrue（表语从句）关于“what”引导主语从句，下列说法正确的有？（多选）A.what在从句中可作主语、宾语或表语B.what引导的主语从句可转换为“the thingthat”C.what引导的主语从句不可用it作形式主语D.what可引导所有类型的主语从句下列句子中，主语从句表达“是否”意义的有？（多选）A.Whether we will godepends ontheweather.B.If wewillgois notdecided.C.What wewill doisstillunknown.D.Whether togo or not isa problem.下列哪些句子中，主语从句使用了“it”作为形式主语？（多选）A.It is not knownwho tookthe book.B.Who tookthe bookis not known.C.It isimportant thatwe study hard.D.That westudy hardisimportant.关于主语从句的否定形式，下列说法正确的有？（多选）A.否定词通常放在主语从句的谓语前第6页共13页B.可通过“it isnot that...”结构表达否定C.主语从句的否定不可转移到主句D.否定词只能放在句首下列连接词中，属于“连接代词”的有？（多选）A.What B.When C.Which D.Why下列句子中，正确使用“that”引导主语从句的有？（多选）A.That hepassed theexam madehis parentshappy.B.That theearth isround isknowntoall.C.It istrue thathe ishonest.D.That we needmoretime isclear.下列哪些情况中，主语从句不可用“what”替代“that”？（多选）A.从句意义完整时B.从句意义不完整时C.引导主语从句时D.引导表语从句时关于“whose”引导主语从句，下列说法正确的有？（多选）A.表示“谁的”B.在从句中作定语C.可引导主语从句D.不可与“of which”互换

四、判断题（共20题，每题1分，正确的填“√”，错误的填“×”）主语从句必须位于句首（）“What hesaid”是主语从句，其中what在从句中作主语（）第7页共13页“That heis late is because he missed the bus”是正确的句子（）“Whether togo or not isaquestion”中，whether引导的是主语从句（）“It isimportant thatwe shouldstudyhard”中，should可以省略（）“Whoever breaksthe ruleshould bepunished”中，whoever引导的是主语从句，相当于“Anyone who”（）“How manystudents willattendthemeeting arenotknown”中，how many引导的主语从句作主语，谓语动词用复数（）“That isclear whichwe needto dofirst”是正确的句子结构（）“It issaid thatwhether hewill come”中，if可以替换whether（）“What makesthe citybeautiful isits environment”中，what引导的主语从句在句中作主语（）“That heisastudent istrue”中，that可以省略（）“If wecan finishthe workon timedependsonourefforts”中，if可以替换whether（）“It isa factthat theearth isround”中，it是形式主语，that从句才是真正的主语（）“How didhe solvethe problemisstillunknown”中，主语从句使用了疑问句语序，是错误的（）“What we need isbooks andpens”中，what引导的主语从句作主语，谓语动词用单数（）第8页共13页“Whether wego or not doesn’t matter”中，whether引导的主语从句作主语，谓语动词用单数（）“That hewill comeornotisnotsure”中，that应改为whether（）“It isimportant for us thatwe learnEnglish well”中，forus是插入语，不影响主语从句的结构（）“Who isthe beststudent isstill aquestion”中，who引导的主语从句，谓语动词用单数（）“That weneedmoremoney isthe problem”中，that引导的主语从句不可省略（）

五、简答题（共2题，每题5分，答案不超过150字）用适当的连接词完成句子______wewillhave theparty inthepark hasnot beendecided yet.并简述该连接词的作用分析句子“The questionis how wecan improve our English”中，“how wecan improveour English”的语法成分，并说明其与主语从句的区别

六、参考答案

一、单项选择题（共30题）1-5:A CB A A6-10:C A A A A11-15:B B A A A16-20:AAAAB21-25:AAC AA26-30:BAAAA

二、多项选择题（共20题）第9页共13页ABD（解析if不可引导主语从句）AB（解析主语从句需用陈述句语序，C错误；形式主语it后的主语从句仍为陈述句语序，D错误）ABCD（解析四个选项均包含主语从句）AB（解析形式主语it用于主语从句过长或位于句首时，C、D错误）AB（解析that和whether引导主语从句时在从句中不充当成分）AC（解析if不可引导主语从句，D错误；if与ornot连用时需用whether，B错误）ABD（解析A中if不可引导主语从句；B语序错误，应为That whatyousaid isimportant；D中that与whether不可使用）AC（解析B中how引导的主语从句作主语，谓语用单数；D中主语从句需用陈述句语序）AB（解析that引导主语从句不可省略，C错误；that与what不可互换，D错误）AB（解析C中for us位置错误，应为It isimportant thatwelearn...；D中that与whether不可使用）ABCD（解析when,where,why,how均为连接副词）AB（解析A、B分别为表语从句和主语从句，C、D为正确结构）AB（解析what引导的主语从句可转换为“the thingthat”，C错误；what可与it连用，如It iswhat weneed，D错误）AD（解析B中if不可引导主语从句；C中what引导主语从句表示“什么”，不表“是否”）AC（解析B、D为主语从句直接作主语，非形式主语it；C中it是形式主语，that从句是真正主语）第10页共13页ABC（解析否定词通常放在主语从句的谓语前，A正确；可通过“itis notthat...”表达否定，B正确；主语从句否定不可转移，C正确；D错误）AC（解析what,which是连接代词，when,why是连接副词）ABCD（解析四个选项均正确使用that引导主语从句）AD（解析从句意义完整时用that，不可用what替代；what用于从句意义不完整时，B、C错误）ABC（解析whose可与“of which”互换，如Whose book=The bookofwhich，D错误）

三、判断题（共20题）×（解析主语从句可位于句首，也可通过it作形式主语位于句末）√（解析what在从句中作said的宾语，此处原句应为“What hesaidisimportant”，what在从句中作宾语，此处题目说法正确）×（解析表语从句应用because引导，正确结构为“That heislate isbecause hemissed thebus”→错误，正确应为“That heis late isbecausehemissed thebus”→“That heislateisbecause hemissed thebus”是错误的，正确结构应为“The reasonwhyheislateisthathemissedthebus”）√（解析whether togo ornot是不定式短语作主语，相当于主语从句“Whether wego ornot”）√（解析主语从句中that后可用“should+动词原形”，should可省略）√（解析whoever引导主语从句，相当于“Anyone who”，表示“任何...的人”）第11页共13页×（解析how many引导的主语从句作主语，谓语动词用单数，应为“are→is”）×（解析正确结构为“It isclear whichweneedto dofirst”→错误，正确应为“It isclear whatweneedto dofirst”或“That whichweneedto dofirst isclear”）×（解析it issaid that...后不可接whether引导的从句，应改为“It issaid whetherhewill come”→错误，正确应为“Whether hewillcomeissaid”或“It issaid thathe willcome”）√（解析what引导的主语从句在句中作主语，正确）×（解析that引导主语从句不可省略，应改为“Is hea studentistrue”→错误，正确应为“That heisastudent istrue”中that不可省略）×（解析if不可引导主语从句，应改为“Whether wecanfinish...dependson...”）√（解析it是形式主语，that从句是真正主语，正确）√（解析主语从句需用陈述句语序，应为“How hesolved theproblemisstillunknown”）√（解析what引导的主语从句作主语，谓语动词用单数，正确）√（解析whether引导的主语从句作主语，谓语动词用单数，正确）√（解析whether...ornot是固定搭配，that不可引导此类结构，应改为“Whether hewillcomeornotisnotsure”）×（解析forus是状语，不影响主语从句结构，正确句子为“It isimportantthatwe learnEnglish well forus”→错误，正确应为第12页共13页“It isimportant forus thatwelearnEnglishwell”，forus作状语，正确）√（解析who引导的主语从句作主语，谓语动词用单数，正确）√（解析that引导主语从句不可省略，正确）四简答题答案When；作用连接副词when在从句中作时间状语，表示“时间”，说明“我们何时在公园举办派对尚未决定”答案语法成分表语从句；区别主语从句位于句首或通过it作形式主语位于句末，表语从句位于系动词后，说明主语的内容此句中“howwecanimproveourEnglish”位于系动词is后，是表语从句（注本试题及答案严格依据英语语法规范设计，可用于英语语法学习自测，如有疑问，欢迎结合教材进一步探讨）第13页共13页。