English tenses

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Across
  1. 2. if they had studied harder, they ___ the exam
  2. 3. if you ___ this button, the computer switches on
  3. 7. I met my husband twenty years ___
  4. 8. She ___ books every evening
  5. 10. I ___ you later
  6. 13. By the time we arrived, they ____
  7. 14. He ___ Paris last summer
  8. 17. We ___ a movie when the phone rang
  9. 20. They ___ to Japan next year.
Down
  1. 1. if you heat ice, it ___
  2. 4. I haven't seen Tom ___
  3. 5. He ___ for two hours before he took the test
  4. 6. He has been living here ___ two years
  5. 9. ___ They have been learning English ___ May
  6. 11. She ___ the project by next week
  7. 12. She ___ all day
  8. 13. if she ___ to the lesson, she would know the information
  9. 15. They ___ football right now
  10. 16. if he ___ wise, he would not complain
  11. 18. if I won the lotter, I ___ the world
  12. 19. I ___ my homework