These are usually written according to the Spanish and Portuguese systems, and their pronunciation has often changed considerably over the centuries, to the point that they may no longer be understood by modern Guarani speakers.
它们以西班牙语和葡萄牙语的规则书写，但是发音却在过去的数个世纪中不断改变，到了现在，他们已经不能讓瓜拉尼语的使用者理解了。