Hello! I need some advice. My son took most of the year to go through Grammar Island, towards the end I made some flash cards for him to review the parts of speech. Now we are at the end of the book and he really does not know anything, he did terribly on the post test. Is there a better Grammar that I could use with him that would be easier for him to understand? I would like to continue with the MCT, but I feel like he needs some supplementing!! Thanks for your help.