Question

I broke the glass by mistake change to passive voice
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Answer 1

Answer:

the glass was broken by me by mistake

Answer 2

Answer:

The glass was broken by me by mistake.

Explanation:

*The given question is in active voice,simple past tense.

*We have to change the question into passive voice,past tense.

*The structure of the passive voice,past tense is, sub+was/were+v3(past participle)

*So the answer is,

The glass was broken by me by mistake.

MORE:

*In the Active voice the subject is the "doer".

*In the Passive voice the subject is the "sufferer".

*While changing a sentence from active to passive voice,we have to add a "be" form verb and the past participle of the main verb should be used in the passive form.