英语超级讲义：名词性从句.docVIP

名词性从句 名词性从句的结构和功能总结 名词性从句包括主语从句，表语从句，同位语从句，名词性从句是一种具有名词功能的非独立分句，名词性从句主要有四种从句结构！以THAT 引导的从句，2。以WHETHER/IF引导的从句3。以特殊疑问词引导的从句4。以WHAT或WHETHER等关系代词引导的名词性关系从句。此外还有AS IF/AS THOUGH也可以引导表语从句 主语从句 宾语从句 表语从句 同位语从句 作及物动词宾语 作介词宾语 That 一般不省略 可以省略 一般不省略 一般不省略 一般不省略 Whether/if 放在句首时只用whether 用whether/if均可，但有区别 只用whether 只用whether 只用whether 特殊疑问句 注意语序要用陈述语序 名词性关系从句 注意语序要用陈述语序 二、that 从句 That 从句作主语时，常用it 作形式主语，常见的句型有： It+be+形容词（obvious,true,natural,surprising,good,wonderful,funny,possible,likely,certain,）+etc+that 从句 It is certain that she will do well in her exam It is probable that he told her everything 2.it+be+名词词组（no wonder,an hornor, a good thing , a pity, no surprise ）+that从句 It is a pity that we can’t go It is no surprise that our team has won the game 3.it+be+过去分词（said , reported ,thought , expected, decided, announced, arranged）+that 从句 It is said that mr.green has arrived in Beijing It is decided that the meeting has been put off till next Monday 在口语和非正式文件中，that常可省略，尤其是在非常短的句子中，that总是不必要的，但that从句位于句首时，连词不达意that 是绝对不能省略的 It is pity that you are leaving That we are invited to a concert this evening is good news to us 二‘宾语从句 常见的可以接that 从句作宾语的动词有see ,say, know, imagine ,discover, believe, tell, show, think , consider, be sure , be afraid 等。在可以接复合宾语的动词之后，如think ,make , consider可以用it 作形式宾语 Do you know(that ) he has joined the army? I am sure that he will pass the exam We think it highly probably that he is dead We consider it necessary that he should improve his pronuniciation He has made it clear that he will not give in 2.that 从句一般不能充当介词宾语，偶尔可作expect,in 的宾语 He is a good student except that he is a little bit careless He differed from his classmates in that he devoted his spare time to reading 其他介词后面需要用that从句作宾语，必须用it作形式宾语 You may depend on it that I shall always help you 3.表语从句 That 引导表语从句时，不能省略 My decision is that all of us are to start at 6o’clock tomorrow morning 四同位语从句， 连词that 引导同位语从句时，应在某些抽象名词之后，如fact ,hope , desire, tho