Поставьте модальные глаголы в Past Simple либо FutureSimple Tense.1. They must

Поставьте модальные глаголы в Past Simple либо Future
Simple Tense.
1. They must be more careful. (Past Simple)
2. You may not talk loudly at the meeting. (Past Simple)
3. People from poor countries cant go elsewhere looking for higher
incomes. (Future Simple)
4. The firm can select the output level maximizing its profit. (Past
Simple)
5. There are a lot of factors in agriculture that must be assumed as
risks by the farmers. (Future Simple)