Мой предыдущий ответ удалили, написали что он не является правильным, с чем я согласна) Та что вот всё переделала, должно верно) Удачи!
1. We had lunch at the collage canteen. We did not have lunch at the collage canteen. Did we have lunch at the college canteen?
2. They wanted to went to Moscow in summer. They did not want to go to Moscow in summer. Did they want to go to Moscow in summer?
3. Our classes began at 10 yesterday. Our classes did not begin at 10 yesterday. Did our classes begin at 10 yesterday?