宾语从句讲解 ppt课件

语
句，只需用原来的特殊疑问词 引导。
从
句
1、主句为现在时，从句的时态可以为任何时态。
时态 2、主句为过去时，从句的时态为过去时的一种。
3、从句为客观真理，自然现象，永恒不变的规律，只用一般现在时。
语序
宾语从句的语序为陈述句语序。
Do you remember？
1.引导词为疑问词时,有时可以转换为“疑问词+不定 式”的简单句.
宾语从句：在复合句中用作宾语的从句叫宾语从句 .
1、That
当由陈述句充当宾语从句时，用that引导， that无词义，在口语或非正式文体中通常省略。
引导词 2、Whether/ if 当由一般疑问句充当宾语从句时，
用if或whether引导，意为“是 否
宾
“。
3、疑问词 如果宾语从句原来是特殊疑问
4. He asked me ______ she put the books . A. what B. where C. who D.that
答案：1. D 2. B 3. D 4. B
2.确定从句语序(把从句变成陈述句)
3.确定从句的时态(根据主句时态)
主句时态
从句时态 连接Fra Baidu bibliotek 连接后
一般现在时
1.This is the man who gave me the book . 2.I have a sister who works in Shanghai. 3.We know that we should keep the earth clean. 4.I know that he lives here. 5.We don’t know if our teachers will attend the meeting. 6.He asked me which coat I liked best. 7.If it is fine tomorrow, I will go on a trip. 8.She doesn’t think that she can pass the exam. 9.He is disappointed because he failed again. 10.Please tell me how I can get there.
C where are the twins
3. Do you know
?
A. where does he live C. where he lives
B. where he does live D. where he lives in
4. My friend asked me
.
A. who is the girl C. who was the girl
特殊疑问句
祈使句
肯定句 否定句
that if (whether) 特殊疑问词 to+动词原形 not to+ 动词原形
找引导词:
1. I don't know ______ he will come tomorrow . A. if B. whether C. what D. both A and B
时态保持不变
一般现在时 一般过去时
一般过去时
一般过去时 一般将来时
过去完成时 过去将来时
现在进行时 过去进行时
现在完成时 过去完成时
选择正确的选项
1. A: Could you tell me
? B: Yes , I'll show
you .
A. what should I do with the computer
2.从句中有or not时只用whether.
3.前面有介词时只用whether.
Examples: 1.I don’t know whether he will come to the party or not. 2.He always thinks of whether he can do more for the
定义：在句子中用作宾语(在谓语动词之后)的从 句叫宾语 从句。
e.g. I think (that) you should study hard.
主句 连接词
从句
构成：主句 + 连接词 + 从句
He asked me where I had put his book.
主句
连接词
从句
判断:下列句子哪些是宾语从句:
2.
B. how can I use the computer
C. how to use the computer
3.
D. what I how to use the computer
2. Could you tell me
?
A. where the twins were
B. where the twins are
peaple. 3.I don’t know what I should wear.
I don’t know what to wear.
1.确定连接词(根据从句的句式) 2.确定从句语序(把从句变成陈述句) 3.确定从句的时态(根据主句时态)
1.确定引导词(根据从句句式)
从句的句式
连 接词
陈 述句 一般疑问句
2. I don't know______ it is going to rain or not tomorrow . A. if B. whether C. both A and B
3. I think _____ someone forgot to sweep the floor . A. that B. / C. where D. both A and B
1.I don’t know whether he’ll come tonight or not. 2.Did you know whom they are waiting for? 3.I wonder if the teacher will come to our house. 4.I’m not sure how often Mr Black goes to see his parents 5.Do you know who he thinks will buy new books for us? 6.Our teacher told us that the earth goes around the sun.