Explain the use of the tenses.

Date: 2015-10-07; view: 505.

Past Simple and Present Perfect

Essay writing

Some scientists talk about the post-industrial countries, because of the growth of service industries, and decline of manufacturing, which is moving to the developing countries. But the economic crisis doubted this approach. Write an essay on the following topic “Production is still important in post-industrialised countries, isn't?”

Revision

1. I have just received a letter from my friend John.

2. I received a letter from my friend John yesterday.

3. Has David finished his painting?

4. Did David finish his painting on Monday?

5. When did he finish his painting?

6. I haven't seen Tim for a week.

7. I didn't see Tim last week.

8. When did you see him?

9. I was a teacher for three years. Now I'm a housewife.

10. I have been a teacher four three years.

11. John has phoned me.

12. John phoned me last night.

13. John has never phoned me.

14. Mother has made a delicious cake.

15. Mother made a delicious cake for Kate's birthday.

16. I haven't seen this film.

17. I didn't see this film in my childhood.

18. He turned on the computer, found the program and began to work.