Also:
-"of" is not what the verbal contraction "-ve" is short for. If you tell me you "should of" locked your door at night, I'll conclude that I "should have" your brains for breakfast. (Hint: Of isn't spelled like 'ove'. Read, then you won't write like an illiterate cupcakeer. 'Illiterate cupcakeer' is an example of redundancy, for you more advanced students.)
-... actually, pretty much all the grammatical sins of this (and the previous) generation could be solved by you degenerating apes picking up books written prior to the downward spiral into functional illiteracy -- let's say, previous to 1995 -- and reading them. Also, Strunck & White's "Manual Of Style."