宾语从句的三个准则是
1、 语序(陈述句语序)
2、引导词:
1 )陈述句变宾语从句引导词用 that(口语中可省略) ;
2) 一般疑问句变宾语从句,引导词用if / whether是否;
3) 特殊疑问句变宾语从句,原来的疑问词变引导词。
3、时态:
1)主语是一般现在时时,从句根据句意可用不同时态;
2)主语是一般过去时时,从句要用相应的过去时,除客观规律和客观真理外。)
如
Jim says " I am a student."->
Jim says that he is a student.
He said to me " Are you doing your homework?"->
He asked me if/ whether I was doing my homework.
I want to know . Where is Kate ?->
I want to know where Kate is .
每个老师给学生讲的都不一样,反正我没有听说过有三个准则,但是我觉得就应该是我说的这三个。