What have corpora done for us?
Research in Corpus Linguistics can, to some, seem interesting but a little distant from the classroom. This article by Julie Moore nicely summarises the benefits of corpora for teachers. See the article here
John Sinclair (who led the original COBUILD project) is also someone whose work is often overlooked but was also way ahead of others in his analysis of language. His Corpus, Concordance, Collocation is well worth seeking out.