You've just completed the report for your boss or written a business letter, or finished off your paper for your college professor. You run it through spelling and grammar checks, and there are no squiggly lines to show any possible errors. You're convinced your work is perfect, but unless you take the time to proofread, it may not be nearly as perfect as you assume. If you get lazy, there's a good chance you'll make one of the following common writing errors: Incomplete Sentences These are also known as fragment sentences. A full sentence will usually have an actor and