1. She realized she __________ (to leave) her purse at home.
  2. By the time we arrived, the movie __________ (to start).
  3. I __________ (to not see) such a beautiful sunset before that day.
  4. He told me he __________ (to visit) the museum before.
  5. They __________ (to finish) their homework by the time their parents got home.
  6. We __________ (to eat) by the time she called us to dinner.
  7. Before moving to Italy, I __________ (to never / to be) to Europe.
  8. The thief had __________ (to steal) the jewels before the alarm went off.
  9. She was sad because she __________ (to lose) her favorite book.
  10. By the time I woke up, everyone __________ (to leave) the house.
  11. The garden was dead because it __________ (to not / to rain) for months.
  12. I __________ (to read) the book before I watched the movie.
  13. They __________ (to be) married for five years before they decided to travel the world.
  14. He found out that someone __________ (to take) his parking spot.
  15. We __________ (to never / to hear) of that restaurant before you mentioned it.
  16. The concert __________ (to end) by the time we got there.
  17. She __________ (to write) half of the report by the time the meeting started.
  18. They were excited because they __________ (to not / to be) on a plane before.
  19. I was relieved to find out the email __________ (to already / to send).
  20. Before yesterday, I __________ (to not / to think) much about learning another language.