宾语从句知识点总结宾语从句知识点总结宾语从句的语序宾语从句的语序：在复合句中，宾语从句部分要用陈述语序1) 陈述句作由that引导的宾语从句时，语序不用调整2) —般疑问句作宾语从句时，其结构为whether / if +陈述句原一般疑 问句的主语前如果是助动词do / does / did，应去掉，谓语动词应改为其相应的 形式;原一般疑问句的主语前如果是don' t / doesn' t / didn' t，则直接将其 放到主语之后;原一般疑问句的主语前如果是be动词、情态动词或其他助动词， 则应将其放到主语之后如：Does he like apples? I don't know. I don't know whether helikes apples.He asks: Is Tom a diver? He asks whether Tom is a driver.(3) 特殊疑问句作宾语从句时，如果疑问词作主语或主语的定语，其语序不 用变化;如果疑问词充当其他句子成分，则宾语从句的结构为连接代词 /连接副词 +陈述句如：Who can answer the question? I want to know. I want to knowwho can answer the question.Whose book is on the desk? We all know. We all know whose bookis on the desk.When will they arrive? Please tell us. Please tell us whenthey will arrive.宾语从句的.引导词(1) 陈述句作宾语从句引导词用that。
that在从句中不充当任何句子成分， 无实际意思，在口语或非正式文体中常省略如：He said (that) it was cold in Moscow. Mother knows (that) Jim will work hard.(2) —般疑问句作宾语从句引导词用whether或ifwhether或if表示“是 否、是不是”的意思，不能省略如：I want to know if / whether the answer is right. Lucy asked if / whether they had a cheaper shirt.(3) 特殊疑问句作宾语从句引导词用原来的疑问词，只不过在宾语从句中称作 连接代词或连接副词连接代词或连接副词在从句中充当一定的句子成分，有一定 的意思，不能省略如：Please tell him which class you are in. He asked me whom I was waiting for.Could you tell me where the post office is? Please ask the teacher how we can get there.。