Sir Gawain and the Green Knight

Why did author use his certain method/style of writing What did the author leave out? (perspectives/reliabIe/unreliable.) What sort of patterns are apparent in the work? What is meaning of specific character, scene, or image? What ideas embodied in the work? Who does writer seem to like/who does she dislike? Talk about how characters seem at first no matter how they end up in the end- Thesis statement supports evidence from text.