1. Natasha (work) for IBM for 15 years before she retired.

2. How long (you/learn) German before you went to Germany?

3. Thomas (fight) lung cancer for 5 years before he died.

4. It (rain) for 5 days before the sun appeared in the sky.

5. How long (Lisa and Bob/know) each other before they got married?

6. John (watch) TV for three hours before the fell asleep.

7. How long (the teenagers/walk) in the forest by noon?

8. The students (translate) sentences for 3 hours by 1 pm. .

9. Margaret (spy) on her husband for a few weeks before she found out that he had a love affair.

10. We (cycle) for 3 hours before we decided to rest a bit.

11. How long (your parents/be) married before they got divorced?

12. Simon (play) football for 15 minutes when he twisted his ankle.

13. By 2018 Annette (do) yoga for 7 years.

14. Someone (follow) Susan for a few minutes before she was mugged.

15. We (fly) for 3 hours when one of the engines stopped working.

16. How long (you/live) in London before you moved to Liverpool?

17. My mother (peel) the potatoes for 5 minutes before she cut her hand.

18. Everybody (wait) for Joseph for 20 minutes when he called and said he wouldn’t come.

19. We (cook) for 3 hours before the guests arrived.

20. Adam (ski) in the mountains for a few days when he broke his arm.

21. They (be) best friends for 10 years before they decided to go on a date.

22. Our parents (use) their washing machine for 15 years before it broke down.

23. Mark (collect) coins for 50 years before he sold them.

24. Pauline (lie) on the beach for 3 hours before she got sunburnt.

25. We (save) money for 20 years before we bought a cottage in the countryside.