The General principles in the Active Voice sentences to change Passive Voice sentences into.
1. remove the back of your sentences Active Voice into Passive Voice in a sentence by Karma has a preposition "by" prefix.
2. remove the back of your sentences Active Voice sentences in Passive Voice came.
3. the verb of the sentence, then the Active Voice when used in sentences, Passive Voice must be a rupkriya channel 3 (Past Participle) and the verb to be is used as is, am, are, was, were, be, being, been, which will use the Verb to be which would see the tense.