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NounClauseasthesubjectUnit4grammarLearninggoals1.Learnthesentencestructureofthesubjectclause.2.Learntousethesubjectclause.什么是主语从句？主语{Hisjobisimportant.Whathedoesisimportant.一个句子充当主语时叫做主语从句。1.Thathewillcomeiscertain.2.Whetherhewillcomeisnotclear.3.Whatshesaidisnotyetknown.4.Whowillgohasnotbeendecided.5.Whichsidewillwinisnotclear.6.WhateverIhaveisyours.7.Whoevercomesiswelcome.8.Whentheywillsetoffisnotdecided.9.Whyhediditremainsamystery.找主语从句和引导词：引导词：不做成分的连接词：连接代词：连接副词：that、whether、ifWhat(ever)、who(ever)、which(ever)when、where、why、howErrorcorrectingWhenwilltheysetoffisnotdecided.Whereisshefromisunknown.theywillsheis主语从句的语序为_________________.陈述句语序结论1：1.Thathewillcomeiscertain.2.Whetherhewillcomeisnotclear.3.Itisnotclearwhetherhewillcome.1._____不做成分，无意义，不能省略。2.引导主语从句在句首只能用_______,有it作形式主语的________或____都可以.If×ifthatwhetherif结论2：whetherIf×_____thecatmadetheboycryistrue.That他是不是我的孩子仍然是个问题。___________________remainsaquestion.Whetherheismychild如果主语从句中缺少主语,宾语,表语或定语,用连接代词“what(ever),who(ever),whom(ever)which(ever)”。1.Whatshesaidisnotyetknown.2.Whowillgohasnotbeendecided.3.Whichsidewillwinisnotclear4.WhateverIhaveisyours.5.Whoevercomesiswelcome.WhatWhoWhichWhateverWhoever判断主语句中连接代词所做成分结论3：宾语主语定语宾语主语用连接代词填空______wecanlearnfromthefilmislove.Whatlearnsthfromsb/sth__________________谁将会赢得一等奖isunknown.Whowillwinthefirstprize______oneattractsmorepeopleisuncertain.Which________impressusistheirfantasticperformanceandtalentedskill.What___________breaksthelawwillbepunished.Whoever结论3：Whentheywillsetoffisnotdecided.Wheresheisfromisunknown.Whyhecriesisnotclear.Howwewillpaintthehousehasnotbeendecided.如缺:时间状语用_____;地点状语用______；原因状语用______;方式状语用______；主语从句的谓语动词多用______________。whenwherewhyhow单数第三人称形式____/______/____theplanewillbefoundisstillnotclear.WhenWhereHowWhytheplanedisappearedstill________(remain)amystery.remainsWhatcanyouseeonthescreen?WhatIcanseeonthescreenis_________.are_______what引导的主语从句，可根据表语决定主句动词的单复数形式。结论4acake/apigflowers1.Whatheneeds_____thatbook.2.Whatheneeds_____somebooks.isareThathewillwinthematchiscertain.Itiscertainthathewillwinthematch.一般来说主语从句都是放在,但有时为了使句子保持,避免”头重脚轻”,常用作，从而把主语从句放在．句首平衡it形式主语后面结论5:Usefulsentencestructure:1)Itis+n.+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.ItisapitythatItisafactthat2)Itis+adj.+从句It’scertainthat…肯定…Itispossiblethat...很可能……Itisunlikelythat...不可能……Itisobviousthat…很明显…Itisnecessary/important/natural/..that…*________________(很可能)shewillcomebacktomorrow.*________________(很明显)thismeasureiseffective.+(should)+do…ItispossiblethatItisobviousthat3)It+不及物动词+从句Ithappenedthat...碰巧……Itoccurredtomethat…我突然想起…*________________(刚好)Icameintotheofficeatthattime.*____________________(我突然想起)Iforgettosendtheletter.IthappenedthatItoccurredtomethat4)It+be+过去分词+从句Itissaidthat...据说……Itisknowntoallthat...众所周知……Itisreportedthat...据报道……Itisbelievedthat...据信……;人们相信……Itissuggestedthat+(should）do...建议……*_______________(据报道)MichelleObamaandherfamilyhavegonebacktoAmerica.*___________________(建议)weshouldeatmorevegetablesanddomoreexercise.ItisreportedthatItissuggestedthatweshouldwearrainshoesonrainydays.我们雨天应该穿雨鞋（rainshoes）是常识。Itiscommonknowledgethat___________________________Itisimportantthatwe(should)haveenoughsleep.我们有足够的睡眠很重要。Itissaidthatthehairstyleispopular.据说这个发型(hairstyle)很流行。1.用that/whether/if//where/how/when/why/who(ever)/what(ever)/which(ever)/etc.来连接主语从句.SubjectClause3.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.2.That在主语从句中不能省略.4.有时为了使句子结构平衡,避免“头重脚轻”,常用it作形式主语,而把从句放在后面.（4种句型）。5.主语从句作主语时，谓语动词一般用单数形式。summary：1.Itisbynomeans(一点也不)clear______thepresidentcandotoendthestrike.（2012课标全国I,24）2.Itdoesn’tmatter_______youturnrightorleftatthecrossing——bothroadsleadtothepark.（2012山东，23）3.Itsuddenlyoccurredtohim_____hehadlefthiskeysintheoffice.（2012江西，28）4._______BarbaraJonesofferstoherfansishonestyandhappiness.（2011北京，22）whatwhetherWhatthatwhether...or....是...还是...WhatdoyouthinkofEnglishlearning?HowcanyoulearnEnglishwell?众所周知，英语已经变成了一种国际性语言。Englishiswidelyspokenintheworld.Believeitornot,it’sspokenbymorethanfourhundredmillionpeople.So,我们学好英语很重要。However,我们如何学好英语是一个问题。Thebestwayistouseitallthetime.Itdoesn’tmatter_______wecanreciteallthosegrammarrules._______weneedtodoistrytounderstandandusethelanguage.ItiswellknownthatEnglishhasbecomeaninternationallanguage.ItisimportantHowwecanlearnEnglishwellisaproblem.whetherWhatthatwe(should)learnEnglishwell.众所周知，英语在生活中起很重要的作用。因此，我们如何学好英语很重要。首先，背英语单词是很有必要的。其次，我们应该学习英语语法。我们是否能记住所有的语法规则没有关系。我们需要做的是努力理解并使用它。另外，掌握好英语口语也是很重要的。我们要做的是每天练习。总之，学习英语最好的方式就是每天使用它。ItiswellknownthatEnglishplaysanimportantpartinourdailylife.Therefore,HowwelearnEnglishwellisimportant.Firstly,itisnecessarythatweshouldrecitethenewwords.Secondly,weshouldlearnEnglishGrammar.Itdoesn’tmatterwhetherwecanrememberallthegrammarrules.Whatweneedtodoisunderstandandtrytomakeuseofit.Inaddition,itisimportantthatwehaveagoodknowledgeofOralEnglishaswell.Whatweneedtodoistopracticeeveryday.Inaword,thebestw