1. While my brother (study) for his exam, I (translate) a newspaper article into Ukrainian.
2. Tom (write) a letter to his family when his pencil (break).
3. When I (clean) the house, I (find) some old letters.
4. The doorbell (ring) while I (have) a bath.
5. They (build) a new bank when I (be) there last year.
6. My friend (own) this company but the state (buy) it and (bring) into public sector.
7. I (phone) my parents when the door bell (ring).
8. We (not hear) the phone because we (sing).
9. During his visit to Switzerland he (go) skiing every weekend.
10. While he (watch) television he (hear) a loud cry for help.
11. They (establish) the company in the 1990s.
12. When the phone rang, I (talk) to a client.