About Error Sheets, page 7

Obviously, no one who uses “published” error sheets such as these will be doing exactly the same thing as I was doing when I used them because they will not be putting their students to work on their own errors. This will detract somewhat from the relevance of the material, although perhaps only to a minor degree if the errors are as typical of ESL writing as I believe them to be. Even if they have one serious shortcoming, however, ready-made error sheets do have their advantages. In the first place, they save a great deal of time and effort. More importantly, from the point of view of anyone who has not previously used error detection as a teaching method, the key which accompanies them can be used as a protection against unexpected ignorance and confusion. It is not a complete protection, of course, but it should certainly help.

Finally, it should be added that the flesl.net error sheet material should be seen as connected to other grammar resources on the site: the “Grammar Glossary” and the “text,” Complex Sentences, both of which are linked to the Grammar Directory. The glossary is, unfortunately, far from being complete and Complex Sentences is somewhat narrow in its focus, but both contain quite a lot of relevant material and both represent the same attitude toward the role of grammar in ESL instruction as the error detection material does.