That's one of my least favourite errors
TLDW: some fascinating realignment of perspective from a linguist about such things [^2], and the - frankly moderately mind-blowing - revelation that despite caring about language I've been gleefully pronouncing "covert" 'wrong' my whole life (and will likely continue to do so)
[1]: https://youtu.be/I6duEGj04Mg
[^2]: edit for clarity: such things being the concept of "normal forms" or rules in language.
Good to have linguists around reminding us to boldly go explore :)
You are typing what you hear in: "shouldn't've" which is a double contraction of "should not have"
"I should not of made this" vs "I should not have made this"
Did you discover anything interesting in the process of building it?