What is the form for 'infinitive of purpose'?
It tells you why someone did something.
I went to the store to buy groceries for dinner.
He opened the door to see what was making all that noise.
She went to California to find herself.
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.