- Indicates purpose; in order that.
- He must die so that others might live.
“So that” is used as a subordinate clause to show purpose or to give an explanation. It is used to show an action producing an intended result or a cause producing an effect. In the format Sentence 1 “so that” Sentence 2, the first sentence is the action/cause and the second is the intended result/effect. In the format “So that” Sentence 1 , Sentence 2 the first subject-verb clause is the intended result/effect and the second is the action/cause.