Temporary feeling? Use 'estar': 'Estou nervoso agora.' 'Sou nervoso' sounds like a personality trait. Portuguese separates state from identity.
Free phrases: sonderrift.github.io/speak-like-you…
#brazilianportuguese #learnportuguese
Native Brazilian tutor. Real, natural Portuguese for beginners: survival phrases, slang, pronunciation. No textbook stiffness. Automated posts, daily phrase cards. Lessons + audio linked below.