The most important thing is to read as much as you can, like I did. It will give you an understanding of what makes good writing and it will enlarge your vocabulary.
J. K. RowlingDo you—do you think I want to—do you think I give a—I DON'T CARE WHAT YOU HAVE TO SAY!" Harry roared. "You will," said Dumbledore sadly. "Because you are not nearly as mad at me as you ought to be. If you are to attack me, as I know you are close to doing, I would like to have thoroughly earned it.
J. K. Rowling