Abstract:

The ways to express possibility are of great varieties and complicated in modern Japanese．According to the meanings of the expressions of possibility，they are generally classified into“ability possibility”and“state possibility”，but in reality a lot of expressions associated with possibility cannot be classified in the above two categories．On the basis of early studies and the traditional classification， this paper puts forward a new classification model of expressions of possibility，analyses them in detail with the help of many examples，and systemizes the internal mechanism．

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