1.- ' I play the piano.' - He said that he played the piano.
2.- ' I am playing the piano.' .- He said that he was playing the piano.
3.- ' I have played the piano.' - He said that he had played the piano.
4.- ' I played the piano.' .- He said that he had played the piano.
5.- ' I will play the piano.' - He said that he would play the piano.
6.- ' I can play the piano.' - He said that he could play the piano.
1.- ' Open the door' - I requested him/her to open the door.
2.- ' Close the window' - I ordered them to close the window.
3.- ' Don't open the door' - I asked Ann not to open the door.
4.- ' Don't close the window' - The teacher told us not to close the window.