Помогите пожалуйста! Срочно! Нужно преобразовать из прямой в косвенную речь

9) John asked Linda if she was free that night.

10) He wanted to know when the contract would be signed.

11) She asks Jack were the tallest skyscraper is located.

12) The chidren asked their dad if he had ever been inside a skyscraper.

13) She said that there are so many interesting people living in New York.

14) She reminded her son not to forget the keys.