高中英语语法知识之名词性从句

更新时间:2023-07-17 22:34:03 阅读: 评论:0

名词性从句
相关概念
名词性从句:在复合句中起名词的从句叫做名词性从句。包括:主语从句、宾语从句、表语从句、同位语从句。
名词性从句引导词
●连接词 that引导名词性从句时,只起连接作用,没有任何意思,也不充当句子成分。
I hope (that) you enjoy your holiday.    
That he likes you is very obvious. 
●连接词 什么书好看whether, if引导名词性从句时,不充当句子成分,但有自己的意思,表示“是否”
He asked whether [if] I would show him the way.  
Whether it will do us harm remains to be en. 
●连接代词 who, whom, who, which, what, whatever, whoever, whomever, whichever 引导名词性从句时,均有各自的意义,在从句中作主语、宾语、定语等。如:
Who broke the glass yesterday is not clear.
She will give whoever needs help a warm support.
●连接副词 when, where, why, how, however, whenever, wherever引导名词性从句,也各自有自己的意义,在从句中作状语。
The question is how we should carry out the plan.    
When she’ll be back depends much on the weather. 
宾语从句
位置
A. 作动词宾语
  He has informed me when they are to discuss the work plan.
注意:doubt(怀疑)的肯定句接if/ whether引导的宾语从句,但否定句和疑问句接that引导的宾语从句。
  I doubt whether if he will succeed.
  I do not doubt that he can recite the poem.
  Do you doubt that he will win?
B. 介词的宾语
  Your success will largely depend upon what you do and how you do it.
C. 作形容词的宾语
  I'm afraid (that) you don't understand what I said.
连接词
注意1:that:在口语或非正式的文体中常被省去。
We all agreed(that) it would be a mistake not to take his advice.
注意2:从句是并列句时, 第二个分句前的that不可省。如:
We all think (that) she is working very hard and that she will surely go to a very good university.
注意3:whether或if一般情况下可以互换,但是在下列情况下一般只能用whether,不用if:
a.引导从句作介词宾语时; I haven’t ttled the question of whether I’ll lend him the money.
b.从句后有“or not”时;   I don’t know whether he will attend the meeting or not.
c.后接动词不定式时。      He didn’t know whether to get married or to wait.
虚拟语气华科是哪个大学以下动词后加宾语从句,宾语从句动词要用(should) do 。
1坚持            2命令              3要求            4建议
insist            order            demand              propo
                command        require, request      advi
                                                suggest
                                                recommend
例如:He suggests that we (should) climb all the way to the top of the hill.
语序:要用陈述语序(所有动词放主语后)
例如:
Do you know when will we have meeting. ×
Do you know when we will have meeting. √干扰解决
形式宾语
即:动词+it+形容词或惯用搭配+that引导的宾从。常见于think, make, find, consider, feel, hear等动词,如:
We think it important that every citizen should have good manners.
I feel it necessary that we should take lots of water every day.
时态呼应 主现从自变,主过从过去,客观真理永不变。
例如:
We decide that we will hold the meeting next month.
We decided that we would hold the meeting next month.
The teacher said that the sun ris from the east.
巩固练习
单项选择
1银镜反应的化学方程式. New technologies (技术) have made ________ possible to turn out new products faster and at a lower cost.
    A. that              B. this                  C. one                D. it
2. They wondered ________.
    A. that whether there was a peaceful way to solve the problem.
    B. that they would solve the problem in a peaceful way.
印度熊    C. if they will solve the problem in a peaceful way
    D. whether there was a peaceful way to solve the problem
3. The teacher said that light ________ faster than sound.
      A. Has traveled          B. traveled              C. had traveled          D. travels
4. My mother insisted that I ________ to school on foot, since it is not far from home to sc
hool.
    A. went    B. goes    C. go    D. going
5. As many five cours are provided, and you are free to choo ________ suits you best.
    A. whatever            B. whichever            C. whenever            D. wherever
6. Jerry did not regret giving the comment but felt ________ he could have expresd it differently.
    A. why                B. how                C. that                D. whether
填空
基础题:
1. We’ve offered her the job, but I don’t know               dangerous的反义词she’ll accept it.
2. The villagers have already known               we’ll do is to rebuild the bridge.
3. His writing is so confusing that it’s difficult to make out               he is trying to express.
4. Our teachers always tell us to believe in               we do and who we are if we want to succeed.
5. After the hurricane was over, the citizens looked at               was left of their hous, feeling sad.
6. Cindy shut the door heavily and burst into tears. No one in the office knew               she was so angry.
7. We haven’t discusd yet       关心的英文      we are going to place our new furniture.
8. How much one enjoys himlf travelling depends largely on               he goes with, whether his friends or relatives.

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