Перепишите следующие предложения. Подчеркните в каждом из них модальный глагол или его эквивалент. Переведите предложения на русский язык.

1. They ought to close trading at the Tokyo exchange.
2. Commercials, especially television ones, are very expensive and not all companies can afford them.
3. Using credit cards you don't have to carry cash, even a checkbook.
4. Since October 27th, 1986 stockbrokers have been able to fix their own charges according to the service they provide.
5. People buy insurance to protect themselves against the losses that may result from an accident or catastrophe.
6. When the prime rate is high, money should be invested chiefly in quick-paying businesses such as stores selling goods in high demand.