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关于英语那些你不知道的事都在这里http://www.meten.com/test/kuaisu.aspxtid=16-73675-0美联英语提供高中英语常用句型名词性从句名词性从句共有四种主语从句表语从句宾语从句和同位语从句
1.主语从句主语从句在整个句子中作主语1that不同于其它的连词,它不充当句子的成分,只是单纯的连接词,通常不可以省略分句置于句首时,that绝对不可以省略Thatthedrivercouldnotcontrolhiscarwasobvious.Itwasobviousthatthedrivercouldnotcontrolhiscar.2if不能用在主语从句中,而是用whetherWhetherheleftornotisunknown3当主语从句作主语时,谓语动词一般用第三人称单数,下面这个句型例外Whatweneedismoretimeandmoney.Whatweneedaremanymorebooks.
2.表语从句表语从句出现在系动词后,充当表语Thetroubleisthatweareshortofmoney.Goandgetyourcoat.It’swhereyouleftit.1引导表语从句除了上述三类词外还有becauseasif/asthough等等Thereasonwhy/forwhich…..isthat……It/This/Thatisbecause……2连系动词“appearlookseem”的两个常用句型Itseems/appearsthat….Itlooks/seemsasif/asthough……与事实相符用陈述语气,与事实相反用虚拟语气3as也可以引导表语从句Thingsarenotalwaysastheyseemtobe
3.宾语从句及物动词,形容词和介词后加宾语从句作其宾语1宾语从句时态与主句相呼应,但宾语从句表示的是客观真理或普遍现象除外Theteachertoldusthattheearthmovesaroundthesun2连词whether和if可以互换,但注意下列情况连词后紧跟ornot时用whetherIwanttoknowwhetherornottheywillcome.作介词宾语是用whether引导宾语从句Hewasinterestedinwhetherhesawherthere.连接词后直接加不定式,不能用if只能用whetherHedoesn’tknowwhethertostayornot.如果宾语从句是否定时,一般用if引导Icareifhewillnotattendthemeeting.3当宾语从句后带宾补时,要用“主语+谓语+it+宾补+that-clausethat不可省略Ithinkitcertainthatshewilldowellinherexam.4当主语是Iwe,主句用thinkbelievesupposeexpectimagine五个动词时,用否定转移Idon’tthinkhewillwinthegamewillhe5that在宾语从句常可以省略,但由and或but连接两个或多个宾语从句时,仅可以省略第一个连词thatHesaidthathehadeatennothingbutthathewasn’thungry.6注意区别if引导的宾语从句和条件状语从句Idon’tknowifhewillcome.IfhecomesI’llletyouknow.关于英语那些你不知道的事都在这里http://www.meten.com/test/kuaisu.aspxtid=16-73675-0。