Explanation (English): The Future Perfect Continuous tense, expressing an action continuing up to a specific point in the future ("will have been doing"), is often a challenging concept for learners of English, especially those whose first language is Hindi. Misunderstandings stem from the lack of a direct equivalent in Hindi verb conjugation. Students might confuse it with the simple future tense (will do), the present continuous (is/are doing), or the present perfect (have/has done). For instance, "By next year, I will have been living here for five years" might be misinterpreted as simply "I will live here next year" or "I have been living here for five years". The nuances of duration and completion leading up to a future point are often lost in translation. Furthermore, the complex sentence structure itself can be a hurdle, especially for students with limited exposure to English. The abstract nature of time in this tense also poses a significant challenge. Explanation (Hindi): भविष्य पूर्ण निरंतर काल (Future Perfect Continuous tense), जो भविष्य के किसी विशिष्ट समय तक चलने वाली क्रिया को व्यक्त करता है ("will have been doing"), अंग्रेज़ी सीखने वालों के लिए, विशेष रूप से जिनकी मातृभाषा हिंदी है, एक चुनौतीपूर्ण अवधारणा है।...