we use corpus by
teachers and learners to
aid language learning
linguists
help describe language, and test theories
Dictionary makers
to find out how words are actually used, and how often, and improve dictionary entries.
Descriptive grammarians
o improve their descriptions to fit the facts of actual use of constructions
Stylisticians
to see what differences there are in how frequently different authors use certain words
Sociolinguists
to see how frequent certain constructions are in conversation
Computational linguists
to see if their grammatical parsing programs will work on naturally occurring language.
Language learning researchers
to see how often learners with a particular L1 get something wrong
Writers of teaching syllabuses
see how often the passive really occurs in academic English
Writers of teaching course materials
to incorporate authentic examples into their material