вопросительный общий
Is tea is an important drink in Japan?
Are there are varoius types
of tea in Japan?
Has tea affected the history and economy of the world?
разделительный
Tea is an important in Japan, isn't it?
There are varoius types
of tea in Japan, aren't there?
Tea has affected the history and economy of the world, hasn't it?
отрицательный
Isn't tea important in Japan?
Aren't there varoius types
of tea in Japan?
Hasn't tea affected the history and economy of the world?