This document explains the present perfect continuous tense in English. It shows the affirmative, negative, and interrogative forms using have/has been and an -ing verb. The tense emphasizes the duration of an ongoing action or one that began in the past and may still be continuing. It can refer to actions with visible results or those that have not finished yet. The present perfect continuous is used for ongoing activities, while the present perfect simple is used for completed actions, repeated events, or those connected to the present.