Eli5 How does passive/active voice work???

Question

Eli5 How does passive/active voice work???

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Answer 1

Active voice: I chop the onion.

Passive voice: The onion is chopped.

Active voice uses the “normal” sentence structure, and the subject (“I” in my example) is an active actor doing something. Passive voice uses the verb to be and a past participle, and the subject (“the onion”) is “passive” in the sense it has stuff happen to it rather than doing it itself.