Here is a list of the Common Errors we've talked about in the blog, in chronological order. I'll continue to update the list as I publish more common errors, and you can always come back to this list by clicking the tab that says "Common Errors" at the top of the blog.
24-Jan-2011: Confusing say, tell, and speak
24-Jan-2011: Confusing listen and hear
18-Jan-2011: Confusing borrow, lend, and loan
24-Dec-2010: Confusing see, look, and watch
12-Dec-2010: Question Word Order