直接引语和间接引语怎样互换?

直接引语变间接引语的一般规则
1．时态变化
直接引语
间接引语；
一般现在时
一般过去时
现在进行时
过去进行时现在完成时
过去完成时
一般将来时
过去将来时
一般过去时
当从句中无明确时间状语时为过去完成时； 当从句中有明确时间状语时为一般过去时．
　2．时态变化时应注意的问题　　
①如直接引语表述的是客观真理，变为间接引语时，时态不变．
eg：He said，“The earth moves around the sun．” 　　
He said that the earth moves around the sun．
②如直接引语所表述的事在目前和在当时说话时同样有效，变间接引语时，时态可不变．
eg：She said，“I am a little girl．”
She said that she is a little girl．
③如直接引语是过去完成时，变间接引语时，时态不变．　　
eg：He said to his father，“I had finished my homework before supper．”　　He said to his father that he had finished his homework before supper． 　
④直接引语变间接引语时，虚拟语气部分的时态不变． 　　
eg：The boy said，“I wish I didn’t recite every text．”
The boy said that he wished he didn’t recite every text．
3．人称的变化
要根据说话人、听话人或第三者的相互关系，作出相应的变化．
eg：She said to me，“I will go to see your mother tomorrow．”
She told me that she would go to see my mother the next day．