Rules of Future Perfect Continuous Tense

The future perfect continuous tense is used to describe an ongoing action that will be completed in the future. It is formed by using "will have been" followed by the present participle form of the verb (-ing form).

Key Concepts:
1. Formation: Subject + will have been + present participle form of the verb (-ing form).
विधि: कर्ता + will have been + क्रिया का वर्तमान अव्ययीभाव (-ing रूप)

2. Time reference: This tense is used to talk about an action that will be ongoing and will continue until a specific time in the future.
समय संदर्भ: यह काल किसी ऐसे कार्य के बारे में बात करने के लिए प्रयोग होता है जो भविष्य में चल रहा होगा और एक निश्चित समय तक जारी रहेगा।

Usage Examples:
1. By the time she arrives, we will have been waiting for two hours.
जब तक वह पहुंचेगी, हम दो घंटे से इंतजार कर चुकेंगे।

2. They will have been studying for five years by the end of this semester.
इस सेमेस्टर के अंत तक वे पांच सालों से अध्ययन कर रहें होंगे।

Key Mistakes:
1. Incorrect: By next week, I will have been working here for ten years.
Correct: By next week, I will have worked here for ten years.
गलत: अगले हफ्ते तक, मैं यहां दस सालों से काम कर रहा होगा।
सही: अगले हफ्ते तक, मैं यहां दस साल काम कर चुका होगा।

2. Incorrect: She will have been cooking dinner since two hours.
Correct: She will have been cooking dinner for two hours.
गलत: वह दो घंटे से रात का खाना पका रही होगी।
सही: वह दो घंटे से रात का खाना पका रही होगी।

By understanding the rules of the future perfect continuous tense, you can effectively communicate actions that will be ongoing in the future. Practice using this tense to improve your English language skills.