6. прочитайте и переведите предложения. поставьте модальные глаголы в past simple или future simple tense. 1. a buyer can maximize utility but he prefers to have less rather than more. (past simple) 2. we must know the effect of a price change on the whole output for making economic forecasts. (future simple) 3. the consumer has to solve the problem of choice. (past simple) 4. not all partners in a firm must take an active part in management. (past simple) 5. provided additional inputs are to be obtained, producers must have smaller risks of a fall of price. (future simple)
