九、名词性从句种类关联词例 句说 明主语从句连词thatThat he will come and help you is certain
他来帮助你是确实无疑的
that 在引导主语从句时不可省去whetherWhether there is life on the moon is an interesting question
月球上有没有生命是个有趣的问题
主语从句中只能用 whether 不可用 if
连接代词whowhatwhichwhateverWhat he wants to tell us is not clear
他要跟我们说什么,还不清楚
Who will win the match is still unknown
谁能赢得这场比赛还不得而知
主语从句放在句首,句子常显得笨重,因此一般连接副词whenwherewhyhowIt is known to us how he became a writer
我们都知道他是如何成为一名作家的
Where the English evening will be held has not yet been announced
英语晚会将在哪里举行,还没有宣布
把它移到句子后面,前面用引导词“it”来作形式主语
宾语从句陈述意义thatI believe(that) he is honest
我相信他是忠诚的
We must never think(that) we are good in everything while others are good in nothing
我们决不能认为自己什么都好,别人什么都不好
that 在句中不担任任何成分,在口语或非正式的文体中常被省去,但如从句是并列句时,第二个分句前的 that 不可省
疑问意义ifwhetherI wonder whether he