1. You should brush your teeth at least twice a day.
2. When I came to the shop, the shoes hadn't been sold yet.
3. Moscow was founded in 1147. (found - правильный глагол, не путать с неправильным глаголом find-found-found)
8. Her dreams were broken by his answer.
1. You need to clean your teeth minimum 2 times a day.
2. When I came into the shop, the shoes were still not sold.
3. Moscow was found in 1147.
8. Her dreams were crushed because os his answer.