Subjunctive,Not Subjunctive,Not Subjunctive,Subjunctive
MacBeth attempts to resolve his conflict by doing the act again. He is consumed by guilt and anger from killing the king that he ends up killing another. This only makes him worse and throws him into the path of evil and tyranny.<span />
to prove your point with credibility
As someone who writes books, I'd normally use quotation marks, and the person is obviously talking, so the first one should be correct.