3. раскройте скобки, употребив глаголы в нужной форме. 1. economists (to study) situations from real life by means of economic models. 2. economists (to be) interested in relationship between prices for goods and buyers' behaviour. 3. the buyer (to choose) goods for which he (to have) enough money. 4. he (not/ to follow) our recommendations. 5. the manager (to make) decisions only after careful analysis of all the data. 6. she always (to buy) a lot of clothes. 7. the data (not/ to be) necessary now. 8. the prices for fuel (to be) very high. 9. a consumer (to be) a person who (to buy) goods and services. 10. there (to be) several mining areas in this country. 11. trade (to develop) well in this area. 12. the economist (to be interested in) industrial economics. 13. the growth of industry and agriculture (to affect) the life of all the people in the country. 5. употребив глаголы в нужной форме, сделайте следующие предложения утвердительными или отрицательны ми в зависимости от смысла. 1. people (to get) resources from the earth. 2. consumers (to buy) goods from manufacturers. 3. we (to study) economics. 4. the economist (to study) consumers' behaviour in the service markets. 5. the plant (to process) agricultural products, it (to manufacture) machines. 6. industry and agriculture (to use) fuel. 7. i (to study) medicine. 8. teachers (to study) labour markets. 9. it (to be) possible to predict prices for essential goods.