She said. "My brother wants to go with me. "→She said her brother wanted to go with her.
He said to Kate. "How is your sister now?"→He asked Kate how her sister was then。
Mr Smith said。 "Jack is a good worker。"→Mr Smith said Jack was a good worker。
1)She said. "I have lost a pen."→She said she had lost a pen
2)She said. "We hope so."→She said they hoped so.
3) She said. "He will go to see his friend。"→She said he would go to see his friend。
"The earth moves around the sun and the moon moves around the earth, the teacher told me. → The teacher told me the earth moves around the sun and the moon moves around the earth。
Jack said. "John, where were you going when I met you in the street?"→Jack asked John where he was going when he met him in the street。
Xiao Wang said. "I was born on April 2l, 1980。" →Xiao Wang said he was born on April 20, 1980。
He said, "I get up at six every morning。" →He said he gets up at six every morning。
⑤如果直接引语中的情态动词没有过去时的形式（例：ought to， had better, used to)和已经是过去时的形式时，（例：could, should, would, might）不再变。如：
Peter said. "You had better come have today。" →Peter said I had better go there that day。