• Present perfect vs Past simple 7
Read the theory. Are there similar structures in
your language?
We use the present perfect for actions which started
in the past and continue to the present or for personal
experiences
I've lived here since 2002. He's flown a plane.
We use the past simple for actions which happened in
the past. The time is stated or it is implied. He went to the lake
last Saturday. (When? Last Saturday) Then they walked home.
(When? Implied time - after they left the lake)
2. If he worked hard, he would achieve great progress.
3. If she weren't so absent-minded, she would be a much better student.
4. If we received a telegram from him, we wouldn't worry.
5. If she knew English well, she would try to enter the university.
6. If you did your morning exercises every day, your health would be much better.
7. If he weren't very busy, he would agree to go to the cinema with us.
8. If it snowed, the children would play snowballs.
9. If the travellers had camera with them, they would take photos of the beautiful waterfall.
10. I translated the article if I would have a dictionary.
Environment is the most important thing for every person. Environment is the place where we live. We should live in harmony with environment. But man's interference in nature began to increase. Our ecology becomes worse and worse with every new day. Many species of animals and birds are disappearing nowadays. People destruct wildlife, cut down trees, poison rivers and seas and so on. We forget that people can't live without trees and plants, because they fill air with oxygen. We can’t live without pure water too. Every person has to understand how important it is to solve these problems, which endanger people's life.