I do my homework.
The homework is done
I'm reading an interesting novel.
An interesting novel is being read.
The wall is being painted.
She is painting the wall.
I paint the wall.
The wall is painted.
He is delivering the letters.
The letters are being delivered.
An interesting novel is read.
I read an interesting novel.
The letters are delivered.
She delivers the letter.
My homework is being done.
I'm doing my homework.