Mostly prefixing - Most Berber languages, Bantu languages, Guarani, many Macro-Ge languages, Mayan languages, Oto-Manguean, Mixtec, Siouan, Navajo and many Na-Dene languages, some languages in northw…
"Should've" and "should of" are pronounced the same, what are you talking about? There's no way you can mix them up in speech. Are you even a native English speaker?