It all starts when children fail to understand the basics of simple grammar.
Oddly enough, kids around these parts all learn English from an early age. They'd be totally baffled how errors of the 'would of' variety could be made by a depressing number of native Brits.
Footnote: And it's...
It's one thing to be ignorant of one's own language. Quite another for dozens of posters to parade that ignorance in front of everybody else. Stupid boys. Should of paid more attention during English.
If you have what teachers probably call 'literacy issues', then "should've" presumably gets...