Переведи е в косвенную речь! пожалуйста

She said, she was going to the seaside next time. Helen asked, if that bus stoped next stationю He asked her, if she was working at that moment. The teacher asked, if I could play the piano. I asked her, why she was late. The teacher asked, who had broken the window. He said, if I looked at that paper. She said, did not go alone in the evening.