O onibus passa aqui? Vs. Does the bus stop here?
Voces fecham de Domingo? Vs.Do you open on Sundays?
E nao falo com ela. Vs. I don't usually see her to talk to her.
I'm with my car. Vs. I came by car.

Monotone, syllable based speech vs. stress based
Eu nao sei onde ele esta...vs...I don't know where he is. JOEL SANTANA "my equipe play very nice the first time here, in South Africa...play same, but second time I have to control the match."
http://youtu.be/zgoMaZ-IFAM

Local jargon : English words that have become part of the Portuguese language and therefore taken on a secondary pronunciation that is "correct" in the local context but wrong in the global one
Corporate
Purchase
Ultimate
Apple

Some native speakers find the native language of foreigners interferes too much for comprehension to occur

They link words naturally and it can be impossible for many to not do so