The set of 36 Grammar Filling Boxes are used to organize the grammar cards by exercise. The color of each exercise box corresponds to the coded-color for each part of speech. The set includes: • 4 black boxes with tan top – article, noun • 7 brown boxes – adjective • 6 red boxes – verb • 4 purple boxes – preposition • 4 pink boxes – adverb • 5 green boxes – pronoun • 3 yellow boxes – conjunction • 3 blue boxes – interjection