GET has 4 main uses: 1) To express a change of state using get + an adjective like "get tired" or "get angry". 2) As a phrasal verb with a preposition like "get up", "get off", or "get together". 3) To obtain or receive something using get + a noun phrase like "get a job", "get a present", or "get a ticket". 4) For other meanings like arriving somewhere or catching an illness using phrases like "get home" or "get the flu".