The document discusses the differences between using "hope" and "wish" in sentences. "Hope" is used when a person believes something may happen in the future, while "wish" is used when a person wants something to happen but knows it probably won't. Examples are provided showing how to use "hope" and "wish" in the simple present, past, and future tenses. The document also notes that "hope to" can be used to talk about future plans and events, while "wish/were" can express hypothetical or unreal situations.