How do you write a demurrer? How do you draft requests for production? What's a motion in limine? Legal writing can feel intimidating at first, but there are lots of resources available in the following guides.
If you are practicing in a law firm, you'll likely have access to previous letters, motions, complaints, settlement agreements etc. written by your colleagues. These are great resources to model as you draft!
Poor grammar can make even the most thoroughly researched memo look unprofessional and sloppy. Confounded by commas? Can't remember what a semicolon is? Brush up on English grammar with one of these guides.