It has been two decades since the proposal of the grammatical metaphor theory. Over this period, the theory has undergone much development and won more recognition.

• 经过20年的发展，语法隐喻理论也有不少新的发展，从单纯的列举语法隐喻现象，发展到探讨语法隐喻的形成机制、哲学基础，以及语法隐喻和词汇隐喻的关系。