初中宾语从句详细讲解与练习
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宾语从句
在复合句中用作宾语的从句叫做宾语从句。它是众多从句中的一员，在复合句中作主句谓语动词、介词或某些形容词的宾语。
在及物动词的后面可以接一个名词来充当宾语，如：I know the man.
而这时也可以用一个句子来充当宾语，如：I know that the man is a policeman.
主句引导词从句
宾语从句三大块: 1. 引导宾语从句的连词和代词选择； 2. 宾语从句的语序； 3. 宾语从句的时态。
Ⅰ.宾语从句的引导词
1.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常省略。如：
My teacher said I was a good boy.老师说我是个好男孩。
She doesn’t know (that) she is seriously ill. I am sure (that) he will succeed.
用以下开头与下列句子连成宾语从句:
1. I know …
2. She says …
3. Tell y our friend …
（that）
1.This is a book.
2.You like singing.
3.He worked last night.
4.They will go home.
5.Jim has been to Beijing.
6.She sings well.
2.当由一般疑问句充当宾语从句时，用if或whether引导，意为“是否”。如：
(1) Is Jim a good student? I don’t know
I don’t know if /wheth er Jim is a good student.
(2) Does Kate get up early? Do you know?
Do you know if /whether Kate gets up early?
用以下开头与下列句子连成宾语从句:
1.Do you know …
2.I want to know …
3.The teacher asks …
if/whether
1.Is he reading ?
2.Do you get up at six?
3.Does Tom work hard?
4.Did you watch TV ?
5.Will they read books ?
6.Can you sing ?
注意：只能用whether不用if 的三种情况
•一般情况下，if 和whether可以互换，但以下3种情况只能用whether：
•①与or not连用：
He asked me whether or not I was coming. Let me know whether you can come or not.
•②在介词之后：
It depends on whether it is going to rain. I worry about whether I hurt her feelings •③在不定式之前：
We haven’t decided whether to go there. I don’t know whether to accept or refuse.
3.如果宾语从句原来是特殊疑问句，只需用原来的疑问词引导。如：
1.What is she doing? Can you tell me?
Can you tell me what she is doing?
2.Where does she live? Do you know?
Do you know where she lives?
用以下开头与下列句子连成宾语从句:
1.Do you know …
2.I want to know …
3. Can you tell me …
1.What is this ?
2.What are you doing ?
3.Where do you live ?
4.When does he get up ?
5.How did you go to work?
6.Who will you play with?
Ⅱ.宾语从句的语序必须是陈述语序
注意事项:
(一)当从句的原句为以下句子以及what, who作主语时，语序不变：
What’s wrong? What’s the matter?
What’s happening?
eg:I don’t know what’s the matter.
Can you tell me who is over there?
Ⅲ.宾语从句与主句的时态要相互呼应
1. 如果主句的时态是一般现在时，宾语从句的时态根据具体情况来确定，可以是_________时态。
I don’t think (that) you are right.
Please tell us where we’ll go fishing tomorrow.
Do you know when Mr. Smith moved here?
2. 如果主句的时态是一般过去时，宾语从句只能用相应的_________时态（一般过去时，过去进行时，过去将来时，过去完成时）。例如：
He told me that he was born in Beijing in 1992.
He said that he would go back to the U.S. soon.
特殊情况：
1.从句说明的是一般真理、客观事实、自然现象、名言时，任用现在时。
Dad told us that it is better to do than to say.
He told the boy that three and three is six.