(完整版)名词性从句讲解(最全版)

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连接副词(4个):when、 why、 where、 how
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:
“that”---无词义、不作成份、起连接作用
从属连词
“if”--- “是否”、不作成份、起连接作用
“whether”---“是否”、不作成份、起连接作 用
“that”---无词义、不作成份、起连接作用
3. We’re worried about _w__h_e_t_h_e_rhe is safe. 4. I don’t know _w_h__e_t_h_e_r_/_i_f he is well or not. 5. I don’t know _w_h__e_t_h_e_ror not he is well. 6. The question is _w__h_e_t_h_e_r_ he should do it.
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 .
英语名词性从句
Noun Clause
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
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: (主语) (宾语) (表语)
(同位语)
1、主语从句 ( subject clause )
分类
2、表语从句 ( predicative clause ) 3、宾语从句 ( object clause )
4、同位语从句 ( appositive clause )
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、
请用if / whether填百度文库:
1、I asked her _i_f_/_w__h_e_t_h_er she had a bike. 2._W__h__e_ther we will hold a party in the open air
tomorrow depends on the weather.
表语从句
“whether”---“是否”、不作成份、起连接作用
1、Whether she will come back on time depends on
weather(. 主语从句)
2、The problem is whether you could give us some
v3a、luIaabslkeeaddhviimce(w. h表eth语er 从he 句cou)l(d d宾o m语e 从a f句avo)r .
宾语从句
3、That he is a famous singer is known to us.
主语从句
4、I knew the news that our team won the match.
宾语从句
5、His suggestion is that we should finish the
work at once.
4、He heard the news that Liuxiang set a new world
record .(同位语从句)
说出从句部分及类别并翻译:
1、My idea is that we should do it right now.
表语从句
2、She won’t believe that he has become a thief.
4、Could you tell me the question whether English is
useful for us now(. 同位语从句)
If与whether的区别:
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。
请思考:
1、Whether she will come back on time depends on weather . 2、I asked him whether he could do me a favor .
7.The doctor can hardly answer the question
_w__h_e_t_her the old man will recover soon.
名词性从句引导词的用法(2):
“who”---“谁”、作主语、起连接作用
“whom”---“谁”、作宾语、起连接作用
连接代词
1、That we will realize our dreams in the future is
certain (. 主语从句)
2、The fact is that Beijing will hold 29th Olympic
Games this year.(表语从句) 3、I know that well begun is half done(. 宾语从句)
“what”---“事情”、作主表宾、起连接作用
1、It depends on weather if she will come back on time .
2、I asked him if he could do me a favor .
If与whether的区别:
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 or not 连在一起可以,但if不可以。而 “whether-----or not = if -----or not”
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