I definitely learned this, but I forgot. When you say something like "He is going to do the laundry" you would say "Il va faire", but what if you said something like:
Est-ce qu'elle a utilisé la voiture pour aller au centre-ville ?
Why do you say "pour aller"? Couldn't it just be the infinitive? Nobody really ever explained this to me, and I don't know when to use which.