Puzzles in English

Number One

Which word in the English language is most often pronounced incorrectly?

Number Two

What occurs twice in a lifetime, but once in every year. Twice in a week but never in a day?

Number Three

Many years ago, befor modern educashun in the new millenium, one problem in skools was baseic speeling and grammer. To conbat this and rays acheivement, teechers were adviced to start at the very begining, at the yungest age. Once they had managed to breath new life into leessons, progres came quickly - sucess was then garanteed. How many speeling errors would modern skolars identify in this paragraph?