Question

What is the passive voice.
He brought some water for the old man.​

Answer 1

Answer:

some water was bouth for old man by him

Answer 2

Answer:

Some water for the old man was brought by him.

Explanation:

The sentence is in past tense so in passive voice also, it will be in past tense, so using was.

Some water for the old man was brought by him.

Object + Sentence Changing + Subject