Periodically on various ESL/EFL listservs there will be a flurry of messages about grammar. Some will speak strongly for the importance of spending a lot of time teaching the grammar rules and correcting grammar errors. Others will quote Stephen Krashen and question the pedagogical value of a whole lot of explicit teaching of grammar rules and correction. I’m definitely in the second group.
And if you aren’t already on some of the key ESL/EFL listservs, you can learn about them by reading The Best Resource Sites For ESL/EFL Teachers.