为什么要用do you know how he gets to school,不用 do you know how does he get to school.

问题描述:

为什么要用do you know how he gets to school,不用 do you know how does he get to school.

语法规定的,疑问句后面的宾语要用正常语序。

  表达此意通常说法,know后面接接宾语从句,但是宾语从句里要求用陈述句语序,就是除连词外,在从句中排在第一位的应是句子主语,这时没必要用助动词。how does he get to school.是疑问句,因此不对。

how引导宾语从句
从句的结构为正常的主谓宾结构。

当整个疑问句作为宾语从句时,该宾语从句应用陈述句语序——主语在前,谓语在后。
所以:Where is the office?----Do you know where the ofice is?

how引导宾语从句
从句的结构为正常的主谓宾结构.

do you know how he gets to school.
how he gets to school是宾语从句,做know的宾语。
当宾语从句是一个特殊疑问句时,疑问词后面要用陈述形式。

know+that 或how或what后面接的是宾语从句,用陈述句语序,而非疑问句!!