Помогите пожалуйста с косвенной речью по английскому языку.

1. He said that he received letters from Ann. 2. I told them that I would (меня учили, что shall устаревшее, и я не знаю, как оно в прошлом, так что написала, как будто там will) make a change in our plan. 3. The old man told me that he had met her the day before. 4. Kate asked him how long he had stay here. 5. Mr. Smith asked her where his bag. 6. Nina asked her friend if he known Vera's address. 7. Vera Ivanova said to Helen to look after her little sister. 8. Miss Brooks said that Mr. Brown was speaking over the phone then. 9. The boy asked his sister not to open the window. 10. The boy asked his mother if they would go to the zoo.