Question

She sang a song to passive voice

Answer 1

Explanation:

A song was sung by her

This is the passive form

Answer 2

Answer:

A song was sung by her.

Explanation:

this sentence has :

Subject + Verb + Object

She sang a song.

Now in passive it will be :

Subject will become Object + Verb Change + Change of Subject to Object ( Singular to Plural )

A Song was sung by her.