Эта фабрика имеет хорошую инфраструктуру. Мы обычно завтракаем в 9 часов. Does this factory have a good infrastructure? (general) What does this factory have? (special) Does this factory have a good infrastructure or a poor infrastructure? (alternative) This factory has a good infrastructure, doesn't it? (disjunctive) We usually have breakfast at 9 o'clock. Do we usually have breakfast at 9 o'clock? (general) When do we usually have breakfast? (special) Do we usually have breakfast at 9 o'clock or at a different time? (alternative) We usually have breakfast at 9 o'clock, don't we? (disjunctive)