unit4-grammar(subject-clause)VIP专享VIP免费

NounClauses(名词性从句)SubjectClause(主语从句)AppositiveClause（同位语从句）ObjectClause（宾语从句）PredicativeClause（表语从句）Grammar3.Tofindyourwaycanbeaproblem.Underlinedthesubject2.Smokingisbadforyou.1.Youareastudent.5.Whatshesaidisnotyetknown.AsentenceservingassubjectiscalledSubjectClause.4.Mr.Liisourheadmaster.•Whowillgomakesnodifference.•Whichisthebestisnotcertain.•Whydinosaursdiedoutisstillunknown.•Whenwewillgettogetherhasnotbeendecided.•Howshecankeephealthyisasecret.•Whetherhewillcomeisnotveryimportant.WhowillgoWhichisthebestWhydinosaursdiedoutWhenwewillgettogetherHowshecankeephealthyWhetherhewillcomeFindoutthesubjectclauses判断主语从句的方法？主语从句（NounClausesastheSubjet）引导主语从句的连接词有：从属连词:that,whether，if;连接代词:who,what,which,whatever,whoever;连接副词:when,where,how和why,however,Whenever等。引导主语从句的关联词有三类：1)从属连词thateg:Thatheisthebeststudentintheclassisobvious.很明显,他是我们班上最优秀的学生。NOTE:从句结构完整；that（充当，不充当）句子成份，（有，无）意义，起连接作用，（可以，不可以）省略。√√√.Itwasnotclearwhetherthesolidshapewouldlastornot.SubjectClauseRealSubjectFormedSubjectWhetherthesolidshapewouldlastornotwasnotclear.引导主语从句在句首只能用whether,有it作形式主语的whether/if都可以.Conclusion:ifIf×SubjectClause2)从属连词whether/if这样就构成了下面一些常用句型:1)Itis+n.+that从句Itisapity/shamethat...遗憾的是……Itisasurprisethat…令人惊奇的是…Itisafactthat……是事实Itiscommonknowledgethat……是常识*_______________(很遗憾)welostthematch.*______________(这是事实)hecheatedintheexam.ItisapitythatItisafactthatIt’scertainthat…肯定…Itispossiblethat...很可能……Itisunlikelythat...不可能……Itisobviousthat…很明显…Itisnecessary\important\natural\strange...that…*_________________(很可能)shewillcomebacktomorrow.*_________________(很明显)thismeasureiseffective.*Itisimportantthatwe________(learn)Englishwell.+(should)+do…ItispossiblethatItisobviousthat2)Itis+adj.+that从句shouldlearnIthappenedthat...碰巧……Itoccurredtomethat…我突然想起…*________________(刚好)Icameintotheofficeatthattime.*____________________(我突然想起)Iforgettosenttheletter.IthappenedthatItoccurredtomethat3)It+vi.+that从句4)It+be+done+that从句Itissaidthat...据说……Itisknowntoallthat...众所周知……Itisreportedthat...据报道……Itisbelievedthat...据信……;人们相信……Itcannotbedeniedthat…不可否认……Itissuggested/advised/requested/required/insistedthat+(should）do...*_________________(建议)we_________（eat)morevegetableanddomoreexercise.Itissuggestedthatshouldeat*Itisinsistedthathe_________(send)totheprisonbutheinsistedthathe_________(notsteal)themoney.shouldbesenthadn’tstolen3)有时用it作形式主语，将主语从句后置,这样做是为了避免句子头重脚轻。•常用句型如下：•It+be+n.+that从句•It+be+adj.+that从句•It+be+done+that从句•It+vi.+that从句3)连接代词who,whose,what,which,whoever,whatever,whichever,连接副词where,when,how,why。译：Howthishappenedisnotcleartoanyone.这事怎样发生的,谁也不清楚。Whatshedidisnotyetknown.她干了什么尚不清楚。Whoevercomesiswelcome.不论谁来都欢迎。Nomatterwho×whoandwhoever谁打烂了窗子还不知道，但不管是谁都要赔偿。brokethewindowisunknown,butbrokeitshouldpayforit.anyonewhoWhowhoever通过练习总结主语从句三要素:、、。主句谓动引导词语序2.____hesaidatthemeetingastonishedeverybodypresent.A.WhatB.ThatC.ThefactD.Thematter3.____breaksthelawwillbepunished.A.WhoB.NomatterwhoC.WhoeverD.whatever4.____shewillcomeisunknown.A.IfB.WhoC.ThatD.Whether1.____youdon’tlikehimisnoneofmybusiness.A.WhatB.WhoC.ThatD.IfCACD5.Howagreatscientistisknowntousall.A.didheB.hebecameC.willheD.hebecome6.Whetherhewillcomeontheweather.A.dependB.dependedC.dependsD.depending7.Whatweneedsomeapples.A.areB.isC.wasD.be8.Whereandwhenhewasbornasecret.A.remainB.remainsC.remainingD.toremain9.Wherewewillgoandwhenwewillstartnotbedecidedyet.A.areB.isC.wasD.beBCABA【常见错误展示】下列各句均有一处错误，请改正并分析错误的原因。1.Lighttravelsfasterthansoundiscommonknowledge.2.Ifshe’scomingornotdoesn’tmattermuch.ThatWhetherDiscussion3.Thattheprofessorsaidisofgreatimportance.4.Wherewillthetreesbeplantedhasnotbeendecided.What5.Nomatterwhobreakstherulewillbepunished.6.Whenandwherethemeetingwillbeheldstillremainaquestion.Whoeverremains7.Whatwereyourproblemsayearagohasnowbecomemine.8.Itwasrequestedthateveryonemadeaspeechatthemeeting.have(should)makeHomework:1.自主测评P54语法专练2.活页练课时作业（十六）IIIIII