Напишите предложения, используя страдательный залог, если это возможно: 1. i skied in the mountains last winter. 2. they have built excellent shelters for tourists in these mountains. 3. the boy was angry because his mother did not allow him to go to the stadium. 4. they will hand in the homework tomorrow. 5. have the dogs attacked you?

1-невозможно
2 Excellent shelters have been built for tourists in these mountains.
3 The boy was angry because he wasn't allowed to go to the stadium by his mother.
4. The homework will be handed tomorrow by them.
5. Have you been attacked by dogs?