1. Tim and Tom didn't helped their parents yesterday.
Did Tim and Tom help their parents yesterday? Yes, they did
2. My mother didn't cook breakfast yesterday.
Did my mother cook breakfast yesterday? No, she didn't
3. My brother and I didn't played computer games three days ago.
Did my brother and I play computer games three days ago? Yes, you did
4. My granny didn't enjoy a good book last month
Did my granny enjoy a good book last month? No, she didn't
5. His brother didn't walk with his dog last week.
Did his brother walk his dog last week? Yes, he did