have和therebe是初学英语者必须掌握的一个语言点。它们都可译为“有”，但两者的用法极易混淆。现将两者的用法作些简要的归纳和比较，以便同学们能正确使用。一、have作“有”讲时，表示一种所属关系，即“某人有某物”，主语是第一、二人称单复数形式和第三人称复数形式时用 Have and therebe is a language point that beginner English must master. All of them can be translated as “yes”, but the usage of the two is easily confusing. The usages of the two are briefly summarized and compared so that the students can use it correctly. First, when “doing” as “speaking” means speaking of a affiliation, “someone has something”, the subject is used when the first and the second are singular and plural forms and third-person plural forms.