Помогите, пожалуйста Поставьте предложения в пассивное состояние: 1. Economists must...

Question

Помогите, пожалуйста
Поставьте предложения в пассивное состояние:

1. Economists must study both books and people.
2. IBM will produce more computers next year.
3. People can use their time, money and effort as they wish.
4. Planners presented a new factory development scheme.
5. Complete economic freedom can create many difficulties.
6. British Petroleum will produce more oil.

Answer 1

R1both books and people must be studied by economists
2 more computers will be produced by INM next year
3 time money effort can be used by people as the wish
4 a new factory development scheme was presented by planners
5 many difficulties can be created by complete economic freedom
6 more oil will be produced by British petroleum