Present Perfect Progressive Tense in English Grammar
english.lingolia.com › present-perfect-progressiveThe present perfect progressive tense, also present perfect continuous, expresses an action that begins in the past and lasts until a present or almost present moment. The timing of this action is not specified, instead, the result or process of the action is emphasised. The present perfect progressive is conjugated with the present form of have, the past participle of be and the present participle or -ing form of the main verb.