1) Jack asked, "Do you think he is right?" - Jack asked if I thought he was right.
2) He said, "I am doing my homework." - He said that he was doing his homework.
3) He announced, "I won the race." - He announced that he had won the race.
4) They said, "He has been working in the garden for three hours." - They said that he had been working in the garden for three hours.
5) Ann said, "I'll come early." - Ann said that she would come early.
6) The teacher told the pupils, "The Earth goes round the Sun." - The teacher told the pupils that the Earth went/goes round the Sun.
7) He said, "I was ill yesterday." - He said that he had been ill the day before.
8) She asked, "Have you lived here long?" - She asked me if I had lived there long.
9) I asked, "What will you be doing at this time tomorrow?" - I asked you what you would be doing at that time the next day.
10) He said, "I forgot everything I knew." - He said that he had forgotten everything he had known.
11) The boy asked, "Where have I put my bag?" - The boy asked where he had to put his bag.
12) Father said, "Don't sit on my suit." - Father said not to sit on his suit.