•पहचान = वाक्य के अंत में Verb के साथ रहा होगा, रही होगी, रहे होगे, खड़े होगे, बैठा होगा लेकिन उसमे लगातार समय का आना जरूरी हैं जैसे सुबह से, रात से, शाम से आदि
Rules:-
•Simple = Subject + will/shall + have + been + verb (1)ing + Object + since/for + time.
•Negative = Subject + will/shall + not + have + been + verb (1)ing + Object + since/for + time.
•Interrogative = will/shall + Subject + have + been + verb (1)ing + Object + since/for + time?
•Interrogative negative = will/shall + Subject + not + have + been + verb (1)ing + Object + since/for + time?
•Example:
• वह सुबह से खेल रहा होगा/
•He will have been playing since morning.
•He will not have been playing since morning.
•Will he have been playing since morning?
•Will he not have been playing since morning?