1. Los usos de por y para
Imagina Lección 4-3

2. ¿Por o para?
Por and para are both translated as for, but they are not interchangeable.

4. Me despierto a las cinco para llegar temprano.
09/28/09
¡ATENCIÓN!
Remember to use the infinitive, not the subjunctive, after para if there is no change of subject.
Me despierto a las cinco para llegar temprano.
I wake up at five in order to arrive early.

5. Note that the expression para que is followed by the subjunctive.
Por ejemplo:
Gloria distribuye panfletos
para que los venezolanos
vengan al restaurante.
Gloria distributes flyers so that Venezuelans
will come to the restaurant.

6. 09/28/09

7. He worked for (in place of) Alberto. Trabajó para Alberto.
09/28/09
¡ATENCIÓN!
In many cases it is grammatically correct to use either por or para in a sentence. The meaning of each sentence, however, is different.
Trabajó por Alberto.
He worked for (in place of) Alberto.
Trabajó para Alberto.
He worked for (in the employment of) Alberto.