Yesterday Teams decided I don’t need a microphone. It just mutes me after a few seconds. Only thing I can do is unmute myself every few seconds.

Probably depends on how much formal education you had and how much is from reading books and stuff on the Internet. The Problem with English pronunciation is, that it’s completely arbitrary, depending from which language the word is originally. I don’t know about Spanish but in French you can usually derive a words pronunciation from it’s spelling and vice versa.