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| 1. I met my friend last Monday. | a) a past action in progress interrupted by another pas action |
| 2. I was doing my homework when the phone rang. | b) past actions which happened one immediately after the other |
| 3. I was reading while my brother was listening to music. | c) an action which started and finished in the past at a stated time |
| 4. He got up, had breakfast and then left for his office. | d) background description to events in a story |
| 5. As he was walking through the woods, the birds were singing. | e) two or more simultaneous past actions of certain duration |
Put the words in brackets into the correct tense.
1. As we (have) a lecture on Accounting yesterday we (hear) a strange noise which (come) from the hall.
2. In 1776 the Scottish professor Adam Smith (publish) The Wealth of Nations.
3. While we (discuss) the results of our activity the director (keep) silence.
4. I (come across) many interesting facts while I (surf) the Net.
5. I (revise) for my exams while my sister (prepare) a report.
6. Last week he (not to pass) his exam in Economics.
7. When I (leave) the institute my friend (remind) me of an important meeting.
8. He (set up) his company ten years ago.
9. I (try) to overcome my fear when I (come) to the exam.
10. Last year she (manage) to save money to buy a car.
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