新一轮中考复习备考周期正式开始，中考网为各位初三考生整理了各学科的复习攻略，主要包括中考必考点、中考常考知识点、各科复习方法、考试答题技巧等内容，帮助各位考生梳理知识脉络，理清做题思路，希望各位考生可以在考试中取得优异成绩！下面是《2018中考英语知识点：宾语从句》，仅供参考！
宾语从句
【考点扫描】 对宾语从句的考查主要集中在以下几个方面：
1. 引导宾语从句的连词和连接代词或连接副词的选择；
2. 宾语从句的语序；
3. 宾语从句的时态。
阅读理解和书面表达肯定也要用到宾语从句。
【精讲】
一. 宾语从句的种类
宾语从句是一种名词性从句，在句中作及物动词的宾语或介词的宾语或形容词的宾语。根据引导宾语从句的不同连词，宾语从句可分为三类：
1. 由that引导的宾语从句。That只有语法作用，没有实在的意义，在口语和非正式文体中可以省略。例如：
He said (that) he wanted to stay at home.
She doesn’t know (that) she is seriously ill.
I am sure (that) he will succeed.
2. 由连接代词who, whom, whose, what, which和连接副词when, where, why, how引导的宾语从句。这些连接代词和连接副词在宾语从句中充当某个成分且有实在的意义。例如：
Do you know who (whom) they are waiting for?
He asked whose handwriting was the best.
Can you tell me where the No.3 bus stop is?
I don’t know why the train is late.
3. 由if或whether引导的宾语从句。If和whether在句中的意思是“是否”, 在从句中不充当句子成分。例如：
I want to know if (whether) he lives there.
He asked me whether (if) I could help him.
二. 宾语从句的语序
宾语从句的语序应为陈述句的语序。例如：
I hear (that) physics isn’t easy.
I think (that) you will like this school soon.
Can you tell me how I can get to zoo?
Please tell me when we’ll have the meeting.
三. 宾语从句的时态
1. 如果主句的时态是一般现在时，宾语从句该用什么时态就用什么时态。
如：
I don’t think (that) you are right.
Please tell us where he is.
Can you tell me how I can get to the railway station?
2. 如果主句的时态是一般过去时，宾语从句只能用相应的过去时态（一般过去时， 过去进行时， 过去将来时，过去完成时）。例如：
He asked what time it was.
He told me that he was preparing for the sports meet.
He asked if you had written to Peter.
He said that he would go back to the U.S. soon.
3. 如果宾语从句所陈述的是客观真理，其时态常用一般现在时。例如：
Our teacher said that January is the first month of the year.
Scientists have proved that the earth turns around the sun.
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