पूर्ण निरन्तर कालको व्याख्या: तपाईंको लेखनलाई उन्नत बनाउने उदाहरणहरू
The perfect progressive tense shows an action that began in the past, continued for a time, and may still be ongoing. Form: "have/has been" + present participle. Emphasizes duration or continuity.