What is the correct way to diagram this sentence To know him is to love him?

To diagram the sentence "To know him is to love him," start by identifying the main clause: "To know him is." Here, "To know him" functions as a noun phrase, the subject of the sentence. The predicate "to love him" also serves as a noun phrase, acting as a complement to the subject. Both phrases can be connected with a horizontal line, indicating their relationship within the overall structure of the sentence.