When I first started teaching at the homeschool tutorial where I now use my grammar book for each of my English classes, I used the kind of grammar book where you underline or circle parts of grammar on each workbook page. My students were bored to tears, learned very little, and grading all those pages of grammar took up precious moments of our one class per week. Four summers ago, I decided to do something about the fact that there did not seem to be an efficient and effective way to learn grammar: I wrote my own grammar book that used formulas to teach where different punctuation should be placed. This idea came from two formulas that I used when I taught my ACT prep class for juniors and seniors at the homeschool tutorial. This came from an English ACT prep workbook and was included on the "quick shortcuts" page that the author had compiled. She said to remember that commas are only needed in one kind of complex sentence. DC, IC. but IC DC. This got me thinking, "Wha...