Переделайт предложения из прямой речи в косвенную 1)Sammy arrired train- 2)What is your is favorite aoing

1.Sammy said that train had arrived. 2.He asked what my favorite doing was then. 3.He said me not to waste my time. 4.He said that his friends had never been to Washington. 5.He said that the children were playing in the yard.