What is the best way to combine these sentences into one sentence with a parallel structure?
Carl has a tendency to brood for hours. He often resorts to blaming others when things go wrong.
Carl tends to brood for hours and to blame others when things go wrong.
Carl tends to brood for hours and blaming others when things go wrong.
Carl often resorts to brood for hours and blaming others when things go wrong.
Carl often resorts to brooding for hours and blame others when things go wrong.