Question

someone killed a snake voice change

I Think
A Snake has being killed by someone​

Answer 1

Answer:

a snake is not kill by someone

Answer 2

Answer:a snake was killed by someone

Explanation:because the verb in the question is in past form while changing it the verb is doubled.

One is linking verb and the other is main verb

Here the the subject is singular and past so was used

Past participle form of kill is killed