Question

the teacher caught ashok napping in the class
change the passive voice​

Answer 1

Passive voice:

Ashok had been caught napping in the class by the teacher.

Answer 2

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The teacher caught Ashok napping in the class.

(change into passive voice)

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Ashok had been caught napping in the class by the teacher.

More Information:-

Changing Past indefinite tense in passive voice:-

Object + had been + past participle form of verb + extra part of the sentence(if) + subject.

In the above sentence,

"The teacher" is the subject,

" Napping in the class " is the extra part

" caught " is verb

and " Ashok " is object

❣Hope this helps you!