The author has worked as a language teacher, teacher educator, and second language acquisition (SLA) researcher for over forty years. During this time grammar has figured largely in his thinking, in part because it has traditionally been so central to language pedagogy and in part because he became fascinated with how the human mind grapples with…

A key aspect of the acquisition of grammar for second language learners involves learning how to make appropriate connections between grammatical forms and the meanings which they typically signal. We argue that learning form/function mappings involves three interrelated principles. The first is the Given-to-New Principle, where existing world…