名词性从句讲解最全版.pptVIP

英语名词性从句Noun Clause2020/12/101 起名词性作用的从句，叫名词性从句。换言之，在英语的句子结构中，本来该由名词充当的主语、宾语、表语和同位语部分，换由一个句子来充当，这样的句子就是名词性从句。请思考定语从句的定义：起定语作用，用来修饰名词或代词的从句。名词性从句定义2020/12/102 4、同位语从句 ( appositive clause )分类1、主语从句 ( subject clause )2、表语从句 ( predicative clause )3、宾语从句 ( object clause )1、English is very useful for us .2、The subject I am interested in is English.3、We need to master English well.4、He want to learn the language , English . 请思考：(主语)(宾语)(表语)(同位语)2020/12/103 连接副词（4个）：when、 why、where、 how引导词从属连词（3个）：that 、if、 whether连接代词 （9个）：who、 whom 、 what、 which、 whose、 whoever whomever、 whatever、 whichever、2020/12/104 名词性从句引导词的用法（1）：从句中的每一个引导词都有3个功能，分别如下:从属连词“that”---无词义、不作成份、起连接作用“if”--- “是否”、不作成份、起连接作用“whether”---“是否”、不作成份、起连接作用2020/12/105 1、That we will realize our dreams in the future is certain .2、The fact is that Beijing will hold 29th Olympic Games this year.3、I know that well begun is half done . 4、He heard the news that Liuxiang set a new world record . “that”---无词义、不作成份、起连接作用（主语从句）（表语从句）（宾语从句）（同位语从句）2020/12/106 1、My idea is that we should do it right now.2、She won’t believe that he has become a thief.3、That he is a famous singer is known to us.4、I knew the news that our team won the match. 5、His suggestion is that we should finish the work at once.说出从句部分及类别并翻译：宾语从句表语从句表语从句主语从句宾语从句2020/12/107 1、Whether she will come back on time depends on weather . 2、The problem is whether you could give us some valuable advice . 3、I asked him whether he could do me a favor .4、Could you tell me the question whether English is useful for us now. “whether”---“是否”、不作成份、起连接作用（主语从句）（表语从句）（宾语从句）（同位语从句）2020/12/108 If 只能引导两种名词性从句：宾语从句、不放于句首的主语从句。Whether四种从句均可以引导。If与whether的区别：1、Whether she will come back on time depends on weather . 2、I asked him whether he could do me a favor .请思考：1、It depends on weather if she will come back on time . 2、I asked him if he could do me a favor .2020/12/109 1、If不能引导放于句首的主语从句，而whether可以。2、引导表语从句用whether，不用if。3、引导同位语从句用whether，不用if。4、whether可以引导从句作介词的宾语，不用if 。5、whether o