间接引语为that引导的宾语从句(口语中that可以省略)，主句的引述动词主要有say ,tell, repeat, explain, think等。
He said , "You are younger than I."-’He said (that ) I was younger than him.
间接引语为陈述语序：主句的谓语动词say 改为ask,或改为wonder, do not know, want to know, be not sure, be puzzled等。
She said, "Do you often come here to read newspapers?"
→She asked me if (或whether)I often went there to read newspapers.
She asked me , "You have seen the film, haven’t you?"
→She asked me whether(或if )I had seen the film.
I asked him, "Will you stay at home or go to a film tonight?"
→I asked him whether he would stay at home or go to a film that night.
He asked , "Where do you live?"
→He asked me where I lived.