(Do not plagiarize). But study how they formed characters. How they plot . Analyse how they have made you feel about a character (made you like or dislike).
How do the detectives feel when they find the body in the cellar? How does Jane feel. When George finally tells her he’s married with five kids?
How have other writers plotted the story they are telling you?
READ, READ, READ. Then WRITE, WRITE, WRITE.