Use already or yet in these sentences. Write that down. 1) Have you finished your work? -Yes, I have. We can go now. 2) The children have taken off their jackets, it has become much warmer. 3) Our teacher has not given us our marks. 4) Mt brother has spoken to his classmates about his favorite writes. 5) Have you done your room? I can not believe it! You have done it really fast.