Question

change the voice :
1.when he opened the envelope he found sheets of paper. ​

Answer 1

Answer:

PASSIVE :-

WHEN THE ENVELOPE WAS OPENED, SHEETS OF PAPER WERE FOUND BY HIM.

Explanation:

Answer 2

Answer:

When the envelope was opened,sheets of paper were found by him.

Explanation:

Question:

When he opened the envelope he found sheets of paper.

Answer:

When the envelope was opened,sheets of paper were found by him.

*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.

*So the answer is,

When the envelope was opened,sheets of paper were found by him.