1.Will recognize-future simple

2.was marked-pas simple(passive)

3.reached-past simple

4.is-present simple

5.has been reflected-present perfect

6.should followpresent simple

7.tend-present simple

8.was writing-past continious

9.was-past simple

10.observes-present simple

1. Our students will recognize the economic basis of social life.Будущее простое время, активный залог -2. The medieval period was marked by the disruption of the flourishing com-merce of the ancient world.- Прошедшее простое время, пассивный залог 3. Classical economics reached its fullest expression at the end of the 19th century.Прошедшее простое время, активный залог 4. The most important modification of classical concepts of the free economy is the work of John Maynard Keynes.Настоящее простое время, активный залог5. A principal result of Keynes's teaching has been reflected in governmental attempts to control the business cycle by putting money directly into the economy. Настоящее завершенное действие, пассивный залог 6. Business should follow freely the "natural laws" of economics without government interference. Настоящее простое время, активный залог7. Wages tend to stabilize at the subsistence level. Настоящее простое время, активный залог8. At the same time as Marx was writing, the principles of classical economics were being reformulated and refined. Прошедшее длительное, активный залог; Прошедшее длительное время, пассивный залог9. John Stuart Mill was a follower of Ricardo. Прошедшее простое время, актиный залог10. Microeconomics observes the workings of the market on an individual or group within an economic system.Настоящее простое время, активный залог