I don’t know what is the matter \the trouble\wrong with him.
1. When will he go to the library?
I don’t know about the fact that he is a teacher.
Practice time：指出下列各名词性从句的种类。
1. At lunchtime, the radio weatherman reported that the mist would become a thick fog in the afternoon. 宾语从句
❖Lily wanted to know if /whether her grandma liked the handbag .
❖Let’s see if /whether we can find out some information about that city .
❖She asked me if /whether she could borrow these books .
否定句），连词由that引导，因为that在从 句中不作任何成分，也没有任何具体意思， 因此在口语或非正式文体中常省略。
❖Lin Tao feels (that) his own team is even better. ❖She says (that) she won’t take part in the sports meeting next Sunday. ❖Jim thought (that) the train was like a big moving party.
4. I’m worried about _w_h_e_t_h_e_r he will soon get well.
5. I want to know _w_h_e_t_h_e_r_/i_f she has gone shopping.
6. We wondered _w__h_e_th_e_r__ that was a spy or not.
二、时态
1. 如果主句是现在的时态 （包括一般现在时 ， 现在进行时，现在完成时），从句的时态可根 据实际情况而定，（包括一般现在时，一般过 去时，一般将来时，现在完成时等）。
❖I know he lives here . ❖I know he lived here ten years ago . ❖I have heard that he will come tomorrow .
1. I don’t know _w_h_o___ is your brother. Is the man in dark glasses?
2. I don’t know _w_h_i_c_h__ of the boys is your brother.
3. I don’t know _w__h_a_t __ good they will do.
❖ 因果并列连词: for, so
❖ 选择并列连词: or,either…or
复合句:主句+从句
■ 名词性从句 ■ 定语从句
■主语从句 ■表语从句 ■宾语从句 ■同位语从句
■ 状语从句
Noun Clause
名词性从句在功能上相当于名词, 在复合句 中能担任主语、宾语、表语、同位语等。
{ 主语
His job is important.
❖ They have decided w__h_e_n_ they will leave for New York. That is next Sunday.
❖ We don’t know _w_h_y____ they didn’t finish the job in time.
❖ Mother was pleased _t_h_a_t__ her daughter had passed the college exams.
❖ Madam Curie discovered __w_h_a_t_ she called radium.
❖ Would you mind telling me __w_h_a_t__language your friend speaks?
❖ Would you mind telling me _w__h_ic_h__language your friend speaks, English or French?
tomorrow. ❖He said that he had seen it .
3.当从句是客观真理，定义，公理，定理 时用一般现在时。
❖The teacher said that the earth travels around the sun.
三、语序 宾语从句的语序用陈述语序： 连接词+主语+谓语+其他成分。
2.如果主句是过去的时态（包括一般过去时，过 去进行时），那么从句的时态一定要用相对应 的过去的某种时态（包括一般过去时，过去进 行时，过去将来时， 过去完成时）
❖I knew who lived here. ❖I saw she was talking with her mother. ❖He asked whether his father would come back
Practice time
if / whether
1. I asked her _i_f_/__w_h_e_t_h_e_r_ she had a bike. 2. We’re worried about __w_h_e_t_h_e_r_ he is safe. 3. I don’t know __w_h_e_t_h_e_r_ he is well or not. 4. I don’t know _w__h_e_th_e_r_ or not he is well. 5. I don’t know _w_h_e_t_h_e_r_/_if_ I should go.
I know nothing about him except that he is from the south.
I think it necessary that you should read English aloud.
在主句为动词be加某些形容词（如sorry, sure, afraid, glad等）作表语时，后面所跟 的省略that的从句也可算是宾语从句。
宾语从句中的连接词that在以下三种情况下 不能省略：
（1）当that 从句与另一名词性从句并列作宾语时， 第二个that不能省；
（2）当that从句作介词宾语时，that不可省掉。 （3）用it做形式宾语的宾语从句。
Everyone knew what happened and that she was worried.
2. She wondered if the buses would still be running. 宾语从句
3. The truth is that the fog is too thick for the bus to run that far. 表语从句
4. She sensed that she was being watched by a tall man in a dark coat. 宾语从句
5. When we will start is not clear. 主语从句 6. I had no idea that you were her friend同. 位语从句
Object Clauses 宾语从句
1. I know him . （简单句）
主语 谓语 宾语
2. I
主语 主
know
w__h_e_th_e_r_ to go.
3. 当宾语从句是特殊疑问句时，由疑问词 （what, who, whom, which, whose when, where, how, why等）引导，因为疑问词在 从句中担任一定的句子成分，具有一定的 意义，所以不可以省略。
❖Do you know what he said just now ? ❖ I don’t remember when we arrived . ❖ I asked him where I could get so much money . ❖ Please tell me who \whom we have to see . ❖ Do you know what time the plane leaves ?
➢I bought my sister a present,but she didn’t like it.
并列句
常用并列连词: and, both…and, not only… but also,
❖ 平行并列连词: neither…nor ❖ 转折并列连词：but, however, while, yet,
注意 whether和if的使用区别:
1).whether和if都可以引导宾语从句 a.当有or not时就用whether,不用if. I don’t know whether or not I will stay. b.介词后面的宾语从句不能用if. I worry about whether I hurt her feeling. c. whether也可与动词不定式连用但if不能。 I have not decided whether to go or not. d）whether常与or连用表示一种选择，if不能这样用 The question of whether they are male or female is not important.
并列句 把两个或几个简单句用并列连词连接起来。
I turned on the TV. My sister and I wat并ch列ed 句it.