It is shown that, although native English speakers routinely use subject-verb-object questions for specific functions and in informal discourse, this question form rarely appears in textbooks or presentations used in English-as-a-Second-Language classrooms. Thus, language presented in these classes may not expose students to the complete range of…

An "intelligent" system for constructing computer-assisted pattern drills to be used in second language instruction is proposed. First, some of the difficulties in designing intelligent error analysis are discussed briefly. Two major approaches to error analysis in computer-assisted instruction, pattern matching and parsing, are described, and…