III. Grammar Exercises. Active Voice Perfect Tenses have ParticipleII(V3) Time Markers Present Perfect have (has) built

Active Voice

5. Read the sentences with adverbs of frequency

Read the same in the 3^rd person singular.

6. Translate the following sentences paying attention to the different usage of Perfect Tenses:

1. Economic monopolies have existed throughout much of human history.

2. The success of specialized marketing developments has caused many older organizations to revise their operating methods.

3. Keynes’s ideas have profoundly influenced the economic policies of many governments since World War II.

4. The Titanic had already gone down when another ship arrived.

5. Some passengers had been in the icy water for hours when they were saved.

6. When another ship arrived, about 1500 people had already lost their lives.

7. Ecological concerns will have affected product design and marketing.

8. By the end of the year the company will have signed this contract.

9. Who will have finished first?

10. How much will they have won?

7. A manager went away on business. He left of things to be done. He is back now. Arrange a conversation between him and one of his employees. Study the list. Follow the model.

The list of things to be done:

1. Contact the joint-stock company P-A.

2. Send a telex to Lamberton Robotics.

3. Telephone Mr. Green.

4. Sign the contract for the delivery of equipment.

5. Take the customer’s representatives to the plant.

6. Take part in the talks with the British customer.

Model:

A. Have you telephoned Mr. Green?

B. Yes, I have.

A. When did you telephone him?

B. I telephoned him last week.

A. That’s good /fine/ O.K.