Oh, my god. I don't know what you guys do to check all of your grammar issues in your stories, but you should all use Grammarly. It is a grammar checking site/app and it fixes more issues than a regular computer can do or other document apps. It's also really good for papers and other academic things. I've had it for a few days and I love it. It's even checking the grammar in this post RIGHT NOW. It's a must use. Just use it, I highly recommend.