One thing I have become acutely aware of while working on the VirtualWritingTutor.com ESL grammar checker is just how common some errors are in college students’ writing. I see the same errors day after day, year after year. I could easily come up with a list of about 100 common errors that college students should avoid, but for the sake of brevity, here’s an infographic with six undisputably common glitches in ESL writing.