I am learning about Konjunktiv II, and there is one thing that is confusing me, and that is when are you supposed to use wäre and when würde.
Is there some rule, or some logic behind it, when are you supposed to use wäre and when würde?
Wäre is the Konjunktiv for sein:
All verbs that use the Hilfsverb werden are formed with würde:
See this nice overview (German).