从属连词thatwhethe复合句语法要点】复合句是由一个主句加一个或几个从句所构成的句子
从句只用作句子的一个成分,不能独立
根据从句在句子中的作用,可分为名词性从句、定语从句和状语从句三类
(一)名词性从句名词性从句包括主语从句、表语从句、宾语从句、同位语从句
其关联词有连接词 that、if、whether 疑问代词 who、what、which 和疑问副词 when、where、how、why 等
名词性从句句法结构:Thathewillcomeiscertain
(that 不可省)Whethersheiscomingornotdoesn'tmattertoomuch
(不能用 if)Ithink(that)hewillbeallrightinafewdays
Iwentinandaskedif(=whether)theyhadacheapsuit
Iwonderwhether(不能用 if)itistrueornot
Thefactis(that)Ihaveneverbeenthere
Thequestioniswhether(不能用 if)itisworthdoing
Thefactthatshehadnotsaidanythingsurprisedallofus
Theyaskedmethequestionwhethertheworkwasworthdoing
连接代词thatwhowhomwhosewhich一主语从句一唤ant
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