名词性从句第一节主语从句引导主语从句的连接词有：that,whether,who,which,what,when,where,how,why等Thatshewasinvitedtotheballmadeherveryhappy.Whetherhewillcometotheballhasnothingtodowithme.Whoeverwantstoseethefilmmaygetaticketfree.Whichteamwillwinthematchisstillunknown.Whatinterestsyoudoesn’tinteresthim.Wheretheyhadstayedwasstillunknown.Whentheywillhaveameetinghasn’tbeendecided.注意：1从句作主语谓语动词用第三人称单数形式。Whowillgoisnotimportant.2为了调节句子平衡，常用it作形式主语。Itisapitythathedidn’tcomeyesterday.It’snecessarythateveryLeaguemember(should)taketheleadandworkwell.It’ssuggestedthatamodernhotel(should)beputupatthefootofthehill.3陈述句部分的主语是从句时，其反意疑问句部分的主语用it.Howhebecameascientistisknowntousall,isn’tit?第二节宾语从句作动词、介词或形容词宾语的从句。以连词thatwhowhomwhosewhat等引导，在句子中充当宾语Ithink(that)youwilllikethepictures.Ifeelitimportantthattheyfinishtheirowntaskintime.Theyareworryingaboutwhethertheycangetthereintime.Youcanwriteaboutwhatevertopicyoucanthinkof.一宾语从句三原则：语序；时态；引导词。1.语序：宾语从句用陈述句语序。Iwonderwhatheiswritingtomeabout但是：what’sthematter/wrong(with)……语序不变.Theownercameuptoseewhatwasthematterwithme/whatwaswrongwithme2.时态：宾语从句谓语动词的时态与主句谓语动词的时态保持一致。(1).如果主句的谓语动词是一般现在时或一般将来时，宾语从句用它本身的时态。Ihearhewillcomebackinanhour.(2).如果主句的谓语动词是一般过去时，宾语从句则用相应的过去时态。ShesaidthathehadneverbeentotheGreatWall.(3).如果宾语从句的内容是客观真理时，宾语从句仍然用一般现在时。Theteachertoldusthattheearthgoesaroundthesun./lighttravelsfasterthansound.3.引导词：（1）由that引导（2）由if/whether引导（3）由特殊疑问词引导二it在宾语从句中的应用：1.vt.+it+adj./n.+that-clause或wh-clause。Shehasmadeitclearthatshewillhavenothingtodowithhim.12.i)在主谓宾结构中，有一些习惯上不以that-clause或wh-clause从句直接作宾语的动词，如果要接宾语从句，往往需要在从句前加上形式宾语it.ThenewspapershaveitthatsomeJapanesefirmshavegonebankrupt.报纸说有几家日本公司已破产这类动词还有：have（表明，坚持说）,take（认为）,hide（隐瞒）,love,like，dislike,hate,enjoyii)在主谓宾结构中,如果谓语动词是短语动词，即动词+介词，一般不能that接从句。如果接从句，必须加上形式宾语it.IwillanswerforitthatLaoMawillaccomplishthetask.我担保老马能完成这项任务Looktoitthatyoumakenomoresimilarmistakes.注意今后你不再犯类似的错误了Iamcountingonitthatyouwillcome.我期待着你的到来这类动词还有：dependon,seetoetc.iii)某些固定搭配之后如果接that宾语从句,也必须使用作形式宾语it.Weoweittoyouthattherewasn’taseriousaccident.这次事故没造成严重的后果全靠你Ididn’tsendyouaninvitation,asItookitforgrantedthatyouwouldbecoming.因为我认为你当然会来,所以没有给你发请柬三1否定的转移当主句的谓语动词是think,believe,suppose,expect,imagine等表示看法的动词时,宾语从句中谓语动词的否定式,习惯上前移到主句的谓语动词上.Idon’tthinkthathewillbebackuntilnine.2复杂疑问句/双重疑问句特殊疑问词+doyouthink/believe/suppose/imagineetc+其它部分（陈述句语序）?Whodoyouguessthatgirlinredis?Whodoyouimaginewillspeakatthemeetingtomorrow?3----Willtheybereadytomorrow?----Yes,Ithinkso.(Yes,Ithinkthattheywillbereadytomorrow)so用来替代某一些动词(think,believe,suppose,imagine,hopeetc)后面的that从句.----Willtheyattendthemeetingnextmonth?----No,Idon’tbelieveso(Ibelievenot)在替代否定概念，既可以用so，也可以用not.但是：在hope和beafraid后...
