Верно ли построены предложения?

1.He sad it did him a lot of good.
2.She sad he would come to see us next Sunday.
3.He sad he feels better now.
4.Ann sad she had just met Boris in the street.
5.Nick sad that he was going to the hotel to see his friends, who have just arrived in St.Peterburg.
6.They sad they would write me a letter when they return home.
7.He stops and listens : the clock is striking five.
8.He cannot understand why people do not want to take water from the well.
9.They sad they were friends.
10.I suppose she would send the telegram immediately.
Необходимо проверить ошибки в тексте (правила согласования времен).Буду очень признательна, так как английским занимаюсь не так давно и пока ещё очень трудно.
Исходный вариант предложений :
1.He says it did him a lot of good.
2.She says he will come to see us next Sunday.
3.He says he feels better now.
4.Ann says she has just met Boris in the street.
5.Nick says he is going to the hotel to see his friends, who have just arrived in St.Peterburg.
6.They say they will write me a letter when they return home.
7.He stops and listens : the clock is striking five.
8.He cannot understand why people do not want to take water from the well.
9.They say they were friends.
10.I suppose she will send the telegram immediately.