How is ACT English Different from Writing?
It might seem like the English portion of the ACT is there to test your writing, but that isn't exactly the case. (There's a whole Writing portion for that!) What the ACT English test measures is how well you recognize errors in a piece of writing and how well you can correct them. A better term for that would be editing: Fixing grammatical mistakes and punctuation and improving the organization and structure of writing passages. Basically, your goal is to ensure that each underlined portion upholds the three C's: Consistent, Clear and Concise.
That might sound a little scary — many students fear they're going to have to know even the most obscure and detailed rules of the English language — but don't worry! The concepts covered on the ACT English test are all a lot more basic than you might assume: