Помогите пожалуйста Упр.6. Поставьте следующие предложения в отрицательную форму. Используйте слова, данные в скобках.

I played hockey. (football) – I didn’t play football.

1. We spoke Spanish together. (Arabic) 2. My uncle taught mathematics. (science) 3. Bill cooked the potatoes. (the fish) 4. I took my mother to the mountains. (my father) 5. We told our parents everything. (the police) 6. I wrote to my sister. (my brother) 7. I liked the party. (the music) 8. We knew her address. (phone number) 9. I ate the vegetables. (the meat) 10. We kept the photos. (the letters) 11. I worked last week. (the week before)