She said, "I am reading this book now."

• She said that she was reading that book then.

• She said that she were reading.

They said, "We are busy today."

• They said that they were busy that day.

• They said that they had been busy.

He said, "I know a better restaurant here."

• He said that he knows a better restaurant.

• He said that he knew a better restaurant there.

She said, "I woke up early yesterday."

• She said that she has woken up early yesterday.

• She said that she had woken up early the previous day.

He said, "I will ring her next Tuesday."

• He said that he would have rung her.

• He said that he would ring her the following Tuesday..

They said, "We have just arrived."

•  They said that they have just arrived
•  They said that they had just arrived.

Charles asked: "Where is my car."

• Charles asked where was my car?

• Charles asked where his car was.

She said, "I did not say that."

• She said that she has not said that.
• She said that she had not said that.

Ahmed asked, "what are you doing?"

• Ahmed asked what you were doing.

• Ahmed asked what were you doing?

He said: "I had won the jackpot."

• He said that he had won the jackpot.

• He said that he has won the jackpot.