never mind
found answer elsewhere here
2 Answers
No importa, no pasa nada.
Depends on who you ask.
I have seen numerous references geared towards English speakers that make just such a claim, but in my opinion, it seems that context plays the largest role in determining how a particular expression is translated.
In any case, this subject has been discussed on the forum in the past. Here are a couple of links that you might find helpful (you might notice that in most of these discussions, native Spanish speakers tend to refute the idea that verbs change their meanings in the preterit):
Verbs that change their meanings in the preterite