1. You should do yourself the favor of understanding that in order to speak another language, it is necessary to use your speech system in the way that is used by the people who speak that language.
  2. If you decide to go this way, you will advance in your knowledge of the language, and it will allow you to speak it more correctly than if you start to imitate sounds.
  3. No matter my appreciations, the most important thing is what your brain tells you. The bet is that the most important tool with which you account is precisely yourself.
  4. There are some resources that use the symbols of the IPA (International Phonetic Association), which in the case of Portuguese is Fonética & Fonologia - Universidade Federal de Minas Gerais
  5. In Portuguese, in addition to having different vowels, they have nasals and distinguish between open and closed.