A video showing a man teaching his students the rules of English grammar has gone viral on the social networking sites recently.
The two-and-a-half-minutes long video has collected over 1.2 million views and more than 13,500 shares on the social networking site.
The teacher chants: "We don't, we don't write a letter," and then the class repeats after him: "You don't, you don't write a letter." It goes on…