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中考英语《宾语从句》知识归纳：使用宾语从句需要注意的四个方面
一、引导词的使用
1. 当宾语从句由陈述句变化而来时，用that来引导从句，that常无具体意义，一般可省略。例如：
Lin Tao thought(that)the TV play was very boring.
2. 当宾语从句是由一般疑问句变化而来时，要用if或whether来引导从句。例如：
David asked his mother if/ whether she liked the dinner last night.
3. 当宾语从句是由特殊疑问句变化而来时，原句中的疑问词充当连接代词(如who， whose， what， which)或连接副词(如when， where， why， how)，引导宾语从句。例如：
Do you know what we can do on the island?
I don’t know why Jane was late for school this morning.
二、语序的陈述化
宾语从句一般要用陈述句语序。例如：
When did he leave? I want to know. →I want to know when he left.
Does the shop close at six every day? Do you know? →Do you know if/ whether the shop closes at six every day?
三、时态的呼应
1. 如果主句是一般现在时、一般将来时或祈使句时，宾语从句可根据情况使用各种时态。例如：
I hear she is here today(she was here yesterday/ she will be here tomorrow.)
2. 如果主句是一般过去时，宾语从句应使用过去时态的某种形式。例如：
He said he was watching TV(he had swept the floor/ he would play football after school)。
3. 如宾语从句所叙述的是客观事实、自然现象或科学真理等，从句不受主句时态限制，仍用一般现在时。例如：
Our teacher told us that light travels faster than sound.
四、否定转移
当主句的谓语动词为think， believe， suppose等动词，且主语为第一人称时，从句的否定要转移到主句上。例如：
I don’t believe he is here on time， is he?
I don’t think Tom is the best student in his class， is he?
