Where have I shown that "more than once" eh, Turnoi?

Links and direct quotes please, not just your tired and fallacious theories, if you don't mind!

You see, I can find a myriad of examples of your horrendous use of English grammar to offer as proof of my superiority over you when it comes to the actual application and understanding of grammar (that's actual grammar, not the stuff you make up as you go along), my ability to teach it far out strips yours.