I’m posting a link to one of my favorite websites. It’s really helped me out with my writing. It’s a grammar site. I never had training in the proper use of grammar. When I was in high school I was goofing off, and never paid attention. I was winging it my entire life up until about two years ago when I found this site. It’s been my main grammar resource since.
Even if you don’t need this site yourself it’s still a great resource to pass on to others.
Here is the link:
Then click on the free online grammar lessons link and do the lesson modules.