高考英语名词性从句

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that 和 what 都可引导所有的名词从句。 但是,what除起连接作用外,还在名 词性从句中充当成分,可做从句的主 语、宾语、或表语。而that在名词性从 句中不充当任何成分,只起连接作用。
that / what
1.__W_h_a_t_ he wants is a book. 2. __T_h_a_t _ he wants to go there is obvious. 3.The result is __t_h_at__ we won the game. 4.This is _w__h_a_t we want to know. 5.Is _w__h_a_t he told us true ? 6.We should pay attention to __w_h_a_t_ the teacher is saying. 7. I have no doubt __t_h_a_t he will come. 8. I have no idea __w_h_a_t he did that afternoon.
This is ___w_h_e_r_e__ I left my glasses.
that 可省略的情况:
单Baidu Nhomakorabea宾语从句中的that可省略
that不可省略的情况: 主语从句 表语从句 同位语从句 用it做形式宾语的宾语从句 并列的宾语从句中的后几个从句的 引导词that 不能省略 We must make it clear that we are against the Heptolaldn.me (that) he would come and that he would come
三.其它连接代词和副词的选用
主要根据名词性从句中的具体意义, 正确的选择who、which、when、where、 why、 how 等连接词,这些连接词既 具有疑问含义,又起连接作用,同时 在从句中充当各种成分。
我们何时举行运动会还没有决定。
__W__h_e_n__ we shall hold our sports meeting is not decided. 我不知道昨天谁打破了玻璃。 I don’t know ___w_h_o____ broke the glass yesterday. 我不知道他长的什么样子。 I have no idea __w__h_a_t___ he looks like. 这就是我忘记眼镜的地方。
1.I don’t think __(_t_h_a_t)__ she is coming. 2.It is a pity ___t_h_a_t__ he has made such a mistake. 3.The reason is ____t_h_a_t__ he is careless . 4.The news ___t_h_a_t__ our team won the match
7.The doctor can hardly answer the question w_h_e_t_h_e_rthe old man will recover soon.
8. I don’t know w__h_e_th_e_r_ to go.
(二)、名词性从句连接词的选用
(1)that 和what 的选用
不能使用if 的情况:
a. 主语从句 b. 表语从句 c. 同位语从句 e. 介词后的宾语从句 f. whether to do 做动词宾语不能用if to do. g whether or not 连在一起引导宾语从句时 不用if.
1. I asked her _if_/_w__h_e_th__e_r she had a bike. 2.W__h_e_t_h_erwe will hold a party in the open air
总结2 :名词性从句连词有哪些conj(无as)
无基本结构:what , which, who, whom(宾语) 有基本结构的缺定语what, which, whose 有基本结构的缺状语成份的意思when, where,
why, how, because 有基本结构的缺意思whether, if,as if/though 完美 that
tomorrow depends on the weather. 3. We’re worried about _w__h_e_t_h_e_r he 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_r or not he is well. 6. The question is __w_h_e_t_h_e_r_ he should do it.
分析下列宾语从句中的连词
1. I don’t doubt (that )you will succeed.
2. I don’t know whether/if he will come tonight.
3. I doubt if /whether you will keep your promise.
3个句子中的连词that, whether, if (是否)在名词性 从句中只起连接作用,在句中不担任成分,被称为连接词
注意:A. that 本身无意义,在宾语从句中可以省略,
但在别的三种名词性从句中不可以省略。 B. whether 和if有“是否”的意义,在宾语从句中二者通常可以互换。 但whether 可以用于所有的四种名词性从句,而if 仅可 以用于宾语从句。
Discussion: 1,14,8,2,4,20,3,21,23,25,10,
17,5,11,22,
总结1:名词性从句在主句中成份
在复合句中起名词作用的从句叫名词从句 (Noun Clauses)。名词从句的功能相当于 名词词组, 它在复合句中能担任主语、宾语、 表语、同位语、介词宾语等,因此根据它在 句中不同的语法功能,名词从句又可分别称为 主语从句、宾语从句、表语从句和同位语从句。
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