We may miss commas and forget about verb forms, but when it comes to formal communication and scholarly language, it is vital to be correct. Yes, when we text our friends or comment something on YouTube, we can let a mistake or two slip. The best way to be confident about your writing is to check it with proper software that does the work for you. Basically, anyone who uses writing in their everyday life and work needs to be sure that their grammar is on a top level.
If you are a content writer or blogger, you also benefit from a correct spelling and grammar as it makes your content better. So it is always better to be positive that there are no mistakes in your paper before you submit it. The thing is that if you want to get a perfect grade, you need to pay attention to grammar very carefully and we are all used to be very easy about it in our everyday life with all the social media and texting. Sometimes even native speakers can let some mistakes slip, especially when you don’t have too much time to revise it properly. One of the crucial requirements of any professor to your paper is that it should be free from any grammar mistakes or imperfections. No one is perfect, and we do tend to make even silly mistakes just when we are tired or work in the last minute.