Pour/Sans

Question 1

What does POUR mean?
What do you add after it?

Answer 1

In order to
Infinitive (er/re/ir)

Eg je vais au collège pour étudier.
I got to school (in order) to study.

Question 2

What does SANS mean?
What goes after it?

Answer 2

Without
Infinitive (er/re/ir) OR noun
Eg on ne peut pas aller en France sans prendre le bateau.
You cannot go to France without taking the boat.