We've all suffered it at one time or another: Frustration about writing assignments. Either on the receiving end, or perhaps now on the giving end, there can be a few distinctly discouraging aspects to teaching and being taught writing. The tough questions include: What to correct and how to give a grade? How much help is too much? Isn't the assignment clear enough? Why don't students find their own errors? Learn and avoid four teaching mistakes that contribute to this frustration: Overcorrecting, Holding Back Help, Unclear Assignments, & Over-Expectation.