Grockit is an online prep and collaborative learning tool that allows students to practice tests in the three ways they naturally study – alone, with peers, and with experts. This guest blog was written by Jordan Schonig, a writer for Grockit.

Yes, I’m sure all of you know what a conjunction is; we’ve all heard the famous song in “School House Rock.” My goal is not to tell you the difference between “and,” “but,” and “or.” My goal is to explain how conjunctions are used to link phrases and clauses.

The SAT and ACT will likely test you on two kinds of conjunctions: coordinating conjunctions and subordinating conjunctions. Each type has its own set of rules that you must follow. Read the rest of this entry »