хелпаните
III. Put a predicate of the following sentences in Past and Future Simple, change the adverbial modifier of time where it is necessary. Translate the sentences.
1. We must study the fundamentals of economics. 2. These students may work at the computer class from 9 to 12 today. 3. She can use different methods in her research work. 4. The students must explain how the economic system works. 5. Economists must study our everyday life.​