宾语从句表从句.ppt

连词： that（无任何词意） whether, if（均表示“是否”表明从句内容的不确定性） as if ,as though（均表示“好像”，“似乎”） 　以上在从句中均不充当任何成分 1.He has told me that he will go to Shanghai tomorrow. 2.I doubt whether he will be against the idea. 3.He looked as if he were a teacher. 连接代词 what, whatever, who, whoever, whom, whomever.whose, which. whichever, 1.What he wants to tell us is not clear. 2.Who will win the match is still unknown. 4.She will give whoever needs help a warm support. 用法： 引导从句 有一定意义 在从句中充当主，宾，定等成分 连接副词： when, where, how, why 1.It is known to us how he became a writer. 2.That is why he didn’t come to the meeting. 3.Where the English evening will be held has not yet been announced. 用法： 引导从句 有一定意义 在从句中充当状语 宾语从句 名词性从句用作宾语的从句叫宾语从句。 在主句中可以作谓语动词或介词及形容词的宾语。 I don’t know where the sound came from. Don‘t be satisfied with what you have achieved. I am glad that you have come. 由连接词that引导的宾语从句 由连接词that引导宾语从句时，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。例如： He has told me that he will go to Shanghai tomorrow. 他已经告诉我他明天要去上海。 We must never think (that) we are good in everything and that 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。 2. 用who，whom, which, whose, what, when, where, why, how, whoever, whatever, whichever等关联词引导的宾语从句相当于特殊疑问句，应注意句子语序要用陈述语序。 例如： I want to know what he has told you. 我想知道他告诉了你什么。 She always thinks of how she can work well. 她总是在想怎样能把工作做好。 She will give whoever needs help a warm support. 凡需要帮助的人，她都会给予热情的支持。 当that引导的从句作复合宾语的第一个成分时，需用先行词it 作形式宾语，把从句放到句末，that 不能省略。 We consider it possible that he is ill. I feel it a pity that she can’t come. I heard it said that he had gone to Australia. He made it clear that he objected to the plan. whether或if引导的宾语从句 用whether或if引导的宾语从句，其主语和谓语的顺序也不能颠倒，仍保持陈述句语序。 此外，whether与if 在作“是否”的意思讲时在下列情况下一般只能用whether，不用if： a.,引导主语从句并在句首时； b. 引导表语从句时； c . 引导从句作介词宾语时； d. 从句后有“or not”时； e. 后接动词不定式时。 think, believe, imagine, suppose等等动词引起的否定性宾语从句中，要把上述主句中的动词变为否定式。即将从句中的否定形式移到主句中。 例如： We don’t think you are here. 我们认为你不