I suggest rereading a printed copy of your essay and marking it up. Then you can make the changes print it out. For the best results you should let ...
This Instructable will outline the steps to write an essay and by the end of it you'll be able to write an essay with the best of them.
Step 1: Prewriting
Prewriting is just getting all of your ideas on paper. There are many ways, and maybe prewriting deserves an instructable of its own. For the purposes of writing an essay all you need to do is write down your ideas somewhere until you have a good idea what you'd like to do your essay on.