Deductive Approach VS. Inductive Approach

Deductive or Inductive? Which approach do you think is efficient for teaching grammar?

Grammar: to teach or not to teach?

"The history of language teaching is essentially the history of the claims and counterclaims for and against the teaching of grammar."    (Scott Thornbury, 1999)

Please read "Does grammar teaching work?" by Michael Swan (http://www.mikeswan.co.uk/elt-applied-linguistics/teaching-grammar.htm), and "Seven Ways of Looking at Grammar" by Scott Thornbury.

What is your opinion about the importance of grammar in your ESL class? Please use some arguments we had discussed in class to support your viewpoint.