A robust result in research on the production of grammatical agreement is that speakers are more likely to produce an erroneous verb with phrases such as "the key to the cabinets", with a singular noun followed by a plural one, than with phrases such as "the keys to the cabinet", where a plural noun is followed by a singular. These asymmetries are…

Presents a framework for dealing with errors in natural language sentences within the context of automated second-language teaching. Using a feature grammar, it is possible to describe various types of errors in a uniform framework, clearly define an error, and analyze the error source. (24 references) (Author/CK)