1. We ( already/ build) this plant by the end of 1997. a) had already built
b) have already built
c) will have built
d) built
2. In three years’ time I (take) my degree.
a) have taken
b) had taken
c) will have taken
d) took
3. He (do) it since we left him.
a) has done
b) had done
c) will have done
d) do

1. Went - Начальная форма "to go", это irregular verb. (неправильный глагол)

2. Bought - Начальная форма "to buy", это irregular verb. (неправильный глагол)

3. Got - Начальная форма "to get", это irregular verb. (неправильный глагол)

4. Tried - Начальная форма "to try", это правильный глагол. (regular verb)

5. Found - Начальная форма "to find", это irregular verb. (неправильный глагол)

6. Were - Начальная форма "to be", это irregular verb. (неправильный глагол)

7. Said - Начальная форма "to say", это irregular verb. (неправильный глагол)

8. Do - Начальная форма "to do", это irregular verb. (неправильный глагол)

9. Was - Начальная форма "to be", это irregular verb. (неправильный глагол)

10. Had - Начальная форма "to have, to has", это irregular verb. (неправильный глагол)

11. Did not - Начальная форма "to do", это irregular verb. (неправильный глагол)

12. Remembered - Начальная форма "to remember", это правильный глагол. (regular verb)

13. Wanted - Начальная форма "to want", это правильный глагол. (regular verb)

14. Answered - Начальная форма "to answer", это правильный глагол. (regular verb)

15. Asked - Начальная форма "to ask", это правильный глагол. (regular verb)

16. Cut - Начальная форма "to cut", это irregular verb. (неправильный глагол)

1. The new equipment has been bought and is being transported to the factory.

2. Profit and losses of the firm are being analyzed by the manager at the moment.

3. Is the distribution of incomes being changed in the country?

4. Has the decision been made or the problem still is being discussed?

5. Market mechanism is being studied by the economist.

6. A new government is being formed at the moment.

7. The oil isn’t being processed , it is being transported now.

8. Fruit is being processed into juice.

9. Market forces are being used by the government to stimulate agricultural production.

10. Essential conditions for Successful work of the company on the market are being studied by the manager.