1. Who was the first man to walk on the Moon?

2. There was nothing to be done about the situation.

3. It’s not always easy to have been born first in the family.

4. They can’t have tried hard enough.

5. To have been asked to speak at the conference felt great.

6. Living is easy if you have good living conditions.

7. I’m looking forward to seeing you again soon.

8. Who enjoys being told they’re an idiot?

9. He admitted to having told alternative truths.

10. Having been given a suspended sentence he didn’t go to jail.

11. We all need somebody to love.

12. It’s hard to be told you’re not good enough.

13. It’s better to have loved and lost than never to have loved at all.

14. She must have been respected a lot since they all helped her.

15. The plan ought to have been revised.

16. Smiling is important but her smiling face feels fake.

17. Don’t put off writing the paper for too long.

18. I tried to avoid being seen by anyone.

19. I regret having said that.

20. Having been done several times before, the performance went without a hitch.