名词性从句讲解(最全版)

（宾语从句）
“whichever”-- “--的哪些或哪个”、作主、表、宾语、
1、Whichever team win the game is possible .
（主语从句）
2、The fact is whichever teacher could help you learn English well . （表语从句） 3、You could choose whichever book you want .
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. 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
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） 4、He heard the news that Liuxiang set a new world record .（同位语从句）
1、When the meeting will begin isn’t decided now .
（主语从句）
2、The trouble is when he could recover from the disease . （表语从句） 3、He asked us when we would graduate from the school . （宾语从句）
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 . 1、It depends on weather if she will come back on time . 2、I asked him if he could do me a favor .
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 . (同位语)
whether/if he is well or not. 4. I don’t know ___________
7.The doctor can hardly answer the question
______ whether the old man will recover soon.
名词性从句引导词的用法（2）：
1、主语从句 ( subject clause ) 2、表语从句 ( predicative clause ) 3、宾语从句 ( object clause )
分类
4、同位语从句 ( appositive clause )
从属连词（3个）：that 、if、 whether 连接代词 （9个）：who、 whom 、 what、 which、 whose、 whoever whomever、 whatever、 whichever、 连接副词（4个）：when、 why、 where、 how
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)
（宾语从句）
“whose”---“谁的”、作定语、起连接作
用
1、Whose bag was the most beautiful is still （主语从句） unknown now . 2、The question is whose friends could lend me a hand . （表语从句） 3、I want to know whose suggestion is more practical . （宾语从句）
“whomever”--- “---的任何人”、作宾语、起连接作用
1、Whomever you will meet in the meeting is excellent . （主语从句） 2、The person I could depend on is whomever you believe in . （表语从句） 3、You should learn from whomever I praised yesterday . （宾语从句）
1、Whoever could solve the problem will be （主语从句） rewarded . 2、The person I will praise is whoever could work out the question . （表语从句） 3、You should appreciate whoever helped you in the past . （宾语从句）
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”
“where”-- “什么地方”、作状语、起连接作用
1、Where I could buy the book is uncertain now .
（主语从句）
2、His question was where we would hold the opening ceremony . （表语从句） 3、I couldn’t tell you where they have been living .
名词性从句引导词的用法（3）：
“whoever”-- “-----的任何人”、作主语、 “whomever”-- “-----的任何人”、作宾语、 “whatever”-- “----的任何东西”、作主表宾语、 “whichever”--- “无论哪个或哪些---”、作定语、
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连接代词
“whoever”-- “---的任何人”、作主语、起连接作用
valuable advice（表语从句） .
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. （同位语从句）
（宾语从句）
（主语从句）
2、The thing I am anxious about is whom he will turn to for help . （表语从句） 3、His mother asked him whom he could believe in .
（宾语从句）
“what”---“事情”、作主表宾语、起连接作用
（宾语从句）
“which”---“哪---”、作定语、起连接作用
1、Which class is suitable for us isn’t most （主语从句） important . 2、What he wants to ask you now is which team won the game . （表语从句） 3、Could you tell me which one is right .
“who”---“谁”、作主语、起连接作用 “whom”---“谁”、作宾语、起连接作用
连接代词
“what”---“事情”、作主表宾、起连接作用 “which”---“哪----”、作定语、起连接作用 “whose”---“谁的”、作定语、起连接作用
“who”---“谁”、作主语、起连接作用
1、Who will go to the college is still uncertain .
（主语从句）
2、The trouble is who could lend me some money .
（表语从句）
3、He want to know who picked up his mobile phone .
（宾语从句）
“whom”---“谁”、作宾语、起连接作
用
1、Whom you will learn from is worth thinking over .
引导词
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
1、That we will realize our dreams in the future is
（宾语从句）
名词性从句引导词的用法（4）：
“when”-- “什么时候”、作状语、起连接作用 “where”-- “什么地方”、作状语、起连接作用
连接副词
“why”---- “为什么”、作状语、起连接作用 “how”----- “如何”、作状语、起连接作用
“when”-- “什么时候”、作状语、起连接作 用
请用if / whether填空：
1、I asked her __________ if/whether she had a bike.
2.______ Whether we will hold a party in the open air
tomorrow depends on the weather. 3. We’re worried about ________ whetherhe is safe. 5. I don’t know ________ whether or not he is well. 6. The question is _________ whether he should do it.
1、What I desire to get is a good reputation .
（主语从句）
2、What he will tell me is what I have been expecting to know . （表语从句） 3、They agree with what I said just now .
“whatever”-- “--的任何东西”、作主表宾语、
1、Whatever you did in the past was very meaningful .
（主语从句）
2、What we should do is whatever is worth doing .
（表语从句）
3、We should do whatever is worth doing .
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.
宾语从句
3、That he is a famous singer is known to us.