Pronunciation. Didn’t is NOT pronounced “didint”, “did-int”, “dident”, “did-ent”

Pronunciation.

Didn’t is NOT pronounced “didint”, “did-int”, “dident”, “did-ent” or “di-dunt’ but “didnnt”.

Hasn’t is NOT pronounced “hasint”, “has-int”, “hasent”, “has-ent” or “haz-unt” but “haznnt”

Wasn’t is NOT pronounced “wasint”, “was-int”, “wasent”, “was-ent” or “waz-unt” but “wasnnt”.

This is one of the main signals of class in American English. The upper classes preserve higher cost pronunciation as a means of signaling. Just as received pronunciation was spread as a means of signaling. And conversely to the french, which effeminised the pronunciation of the court’s more germanic sound as a means of signaling.

Signals matter. They affect everyone you interact with.