The problem facing anyone going from Spanish to Portuguese is to mistake similar words or sentence structures to be the same. They are not. I am speaking from experience. I also have to catch myself from using Spanish in my Portuguese.
Luciana Lage from Street Smart Brazil and I are making a series of videos on how to learn Portuguese via songs. Our latest video on the song, Eu vou estar by Capital Inicial, focuses on common mistakes Spanish speakers make in Portuguese. The blog post accompanying the video with a link to the song lyrics is on the Street Smart Brazil site.
Here’s the video: