Перевести в косвенную речь

1. William asked if my mother liked swimming.
2. Peter said that he was singing his favourite song then.
3. Lucy said that she had already cooked dinner.
4. Henry said his mother was going to buy a new dress the next day.
5. Mark said they had been to London the week before.
6. Sally asked to help her.
7. Alice asked not to drive so quickly.
8. Bill asked where he had gone two days before.
9. The teacher told us to learn those words by heart.
10. Dan said they were going to solve the problem the next day.
11. George asked if ultraviolet radiation was dangerous.
12. Mark asked what environmental problems we knew.
13. Linda asked Frank where he had bought his T-shirt.
14. Kate said she hadn't played tennis the day before.
15. Tom said he had seen Jack at the party a month before.
Вот заместо того, чтобы пойти попить чайку я сижу и перевожу предложения в косвенную речь)) Фортуны :D