Which of the following skills is most important in learning how to write?

A. Knowing how to use the Readers' Guide before you write

B. Knowing proper grammar before you write

C. Knowing proper punctuation before you write

D. Knowing how to plan before you write

The most important skill in learning how to write is D. knowing how to plan before you write. Writing plans is very important, because then you can organize your thoughts and ideas properly and distribute everything to its rightful place. Once you've organized everything to your liking, the writing process will be much easier.