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Commas: The Two or None Rule

Comma rules are tested quite often on both the ACT English and SAT Writing tests. I work through these rules in detail in the the free courses ACT English Bootcamp and New SAT Writing Course. One useful rule of thumb, however, is something I call the “Two or None Rule.” Here’s a sample question to try first; then watch the video for the solution and the explanation of this useful trick.


About the Author:

I’m Rob Schombs, the founder of Reason Prep, creator of these videos, and your test prep tutor. I earned a BA in Chemistry (2006) and an MA in Science and Technology Studies (2009) from Cornell University. In 2010 I started tutoring SAT, ACT, math, chemistry, and writing full-time, and Reason Prep followed shortly after!