Поставьте предложения в Past или Future indefinite
1. That is a very interesting suggestion
2. There are 25 people working in the open-plan office
3. We have 55 per cent of the market
4. The market has its losers
5. The shareholders have limited liabilities

Past Indefinite (Past Simple)1. That was a very interesting suggestion. 2. There were 25 people working in the open-plan office two weeks ago.3. We had 55 per cent of the market last year.4. The market had its losers.5. The shareholders had limited liabilities.Future Indefinite (Simple)1. That will be a very interesting suggestion.2. There will be 25 people working in the open-plan office. 3. We'll have 55 per cent of the market. 4. The market will have its losers.5. The shareholders will have limited liabilities.