?承诺类

Commissives(承诺类): committing the speaker himself to some future course of action.  4.

?承诺行为

3． Commissives（承诺行为）：指说话者将承担做些什么事的言语行为。诸如promise，swear，threat，guarantee，offer，pledge等。

?承诺型

... 2,行使型:exercitives: 3,承诺型commissives 4,行为型:Behabitives ...