Question

Rohan can play chess in passive voice

Answer 1

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Chess can be played by Rohan.

Structure :

Object + modal + be + past participle form of the verb + by + Subject

Explanation :

To change sentences having present/future modal into passive voice, auxiliary verb "be" should be placed between the modal and the past participle form of the verb.

Answer 2

Answer:

Chess could be played by Rohan