Question

Определить время:Present Simple Passive,Present Progressive Passive or Present Perfect Passive. 1.This year nearly a quarter of all cars that have been sold in the USA are big cars suitable for off-road action. 2.A popular car is a Hummer H2 which is modelled on a military vehicle.It is believed that such cars can create a certain image of an active and tough person. 3.Anyhow, ane shouldn't forget that the environment is being destroyed all the time by using such vehicles. 4.It is madel clear by experts that big sports cars pollute the atmosphere more than normal cars. 5.They are putting into the air a lot of pollutants and greenhouse gases, by which the world's climate is affected. 6.Even William Ford Jr., the head of Ford cars, admits that their best-selling Ford Excursion is not good for the environment, that's why new cleaner cars are being developed by this company now. 7.The layer of gases in the atmossphere has got thicker due to industry and the gases that are emitted by cars. 8.This means more heat is reflected back to Earth, causing floods and draughts. 9.Besides big sports cars are proved to be less safe than normal xars as they can roll over too easily due to their high centre of gravity. 10.At the moments successful campaigns are being held against people driving big sports cars.

Answer 1

1) Present Perfect passive
2) present simple passive
3) present progressive passive 
4) present simple passive
5) present simple passive
6) present progressive passive
7) present perfect passive
8) present simple passive
9)  present simple passive
10) present progressive passive 

Answer 2

Let's determine the tenses in the given sentences:

1. This year nearly a quarter of all cars that have been sold in the USA are big cars suitable for off-road action. (Present Simple Active)

2. A popular car is a Hummer H2 which is modelled on a military vehicle. (Present Simple Active)

3. Anyhow, the environment is being destroyed all the time by using such vehicles. (Present Progressive Passive)

4. It is made clear by experts that big sports cars pollute the atmosphere more than normal cars. (Present Simple Passive)

5. They are putting into the air a lot of pollutants and greenhouse gases, by which the world's climate is affected. (Present Progressive Active)

6. Even William Ford Jr., the head of Ford cars, admits that their best-selling Ford Excursion is not good for the environment, that's why new cleaner cars are being developed by this company now. (Present Simple Active, Present Progressive Passive)

7. The layer of gases in the atmosphere has got thicker due to industry and the gases that are emitted by cars. (Present Perfect Active, Present Simple Passive)

8. This means more heat is reflected back to Earth, causing floods and droughts. (Present Simple Passive)

9. Besides, big sports cars are proved to be less safe than normal cars as they can roll over too easily due to their high center of gravity. (Present Simple Passive)

10. At the moment, successful campaigns are being held against people driving big sports cars. (Present Progressive Passive)

So, to summarize:

• Present Simple Passive: 4, 7, 9
• Present Progressive Passive: 3, 6, 10
• Present Perfect Passive: None
• Present Simple Active: 1, 2, 8
• Present Progressive Active: 5