1. The pupils have written a dictation. Have the pupils written a dictation?
2. My friend has helped me to solve a difficult problem. Has your friend helped you to solve a difficult problem?
3. I have learned a poem. Have you learned a poem?
4. Good manners have gone out of fashion. Have good manners gone out of fashion?
5. Kate has watched the news. Has Kate watched the news?
6 The waiter has put a bottle of lemonade in front of him. Has the waiter put a bottle of lemonade in front of him?
7. I have eaten my breakfast. Have you eaten your breakfast?
8. We have drunk water. Have you drunk water?
9. He has brought them some meat and vegetables. Has he brought them some meat and vegetables?
10. You have put the dishes on the table. Have you put the dishes on the table?
Объяснение: