Using computers to help students practice and learn grammatical constructions goes back to the earliest days of computer-assisted language learning (CALL). With the coming of the Internet age, CALL began to focus more heavily on the new capabilities of group connectivity and computer-mediated communication. More recently, a gathering consensus has…

Four different kinds of grammars that can define crossing dependencies in human language are compared here: (1) "context sensitive rewrite" grammars with rules that depend on context; (2) "matching" grammars with constraints that filter the generative structure of the language; (3) "copying" grammars which can copy structures of unbounded size;…

This article assumes the value of a scientifically grounded, rhetorically focused, professionally supported, and publicly embraced grammar within the public schools and examines the past century of practices within the United States from that perspective. It describes a brief renaissance in the 50's and early 60's, inspired largely by the…