Choose the correct passive form: They have to respect their elders.

- Active: They have to respect their elders.- Passive: Their elders have to be respected by them. • Active voice -এ am to/is to/are to/have to/has to ইত্যাদি থাকলে Passive voice -এ am to/is to/are to/have to/has to -এর পরে be বসে।​- তারপর be এর পরে মূল verb -এর past participle বসে।• ​​Passive Structure: (object becomes subject) + am to/is to/are to/have to/has to + be + (passive verb form) + by + (subject becomes object).​​• More examples:- ​Active: We have to follow the rules.- Passive: The rules have to be followed by us. ​- ​Active: I have to inform the manager.- Passive: The manager has to be informed by me.