1)Change the folloving sentences using the Passive Voice

1. Patent protections are creating another barried to trade.

2. Privately owned firms are providing an essential public service.

3. Consumers and producers are exchanging the goods in many competitive markets at this time.

4. Businesses are developing a service now.

5. The ice-cream company is driving down the prices.

2) Replace the infinitives in brackets by the Present Continuous Tense(the Passive Voice)

1. Higher returns (to earn) by business.

2. The principal kinds of market structures (to describe) now.

3. The customers (to treat) in the best now.

4. The wealth (to use) to dominate the oil market at this time.

5. The patent holder (to pay) now for permission to use the process or find a new method of production not covered by existing patent.

Роберт: Здравствуйте. Are you waiting for the same train as me?
Paul: I don't know. I'm waiting for the 6.15 to Brussels. And You?
Robert: Yes, me too. Do you live in Brussels?
P: No. I come from Brussels, but I study at university in Paris at the moment.
R: Oh yes? What course do you take?
P: a two-year course in Business Management.
R: So why are you going to Brussels?
P: All my friends live there, and I often go there at weekends.
I don't know many people in Paris. What about you? Do you often go to Brussels?
R: Yes, on business. I'm going to a meeting there today.
P: Oh yes. What kind of job do you do?
R: I work in the Marketing Department of a small company, and I often travel to different towns and cities for meetings.
Q: What does your company sell?
R: It makes clocks.
P; Oh look! The rain is coming.

Объяснение:

Роберт: Здравствуйте. Are you waiting for the same train as me?

Paul: I don't know. I'm waiting for the 6.15 to Brussels. And You?

Robert: Yes, me too. Do you live in Brussels?

P: No. I come from Brussels, but I study at university in Paris at the moment.

R: Oh yes? What course do you take?

P: a two-year course in Business Management.

R: So why are you going to Brussels?

P: All my friends live there, and I often go there at weekends.

I don't know many people in Paris. What about you? Do you often go to Brussels?

R: Yes, on business. I'm going to a meeting there today.

P: Oh yes. What kind of job do you do?

R: I work in the Marketing Department of a small company, and I often travel to different towns and cities for meetings.

Q: What does your company sell?

R: It makes clocks.

P; Oh look! The rain is coming.

Объяснение: