Question

He waters the plants every day change into passive voice

Answer 1

The plants are watered by him everyday.

Answer 2

The plants are watered by him every day.

Explanation:

1. Active voice is where the action is performed and is narrated in terms of the subject whereas when it is changed into passive voice, it is narrated in terms of the predicate with the tense and subject remaining the same.
2. The given sentence is in a simple tense so we have to add are because the object is given in the plural and past participle of the verb. Then preposition by is added before the subject in the converted sentence.