Select the option that expresses the given sentence in active voice.
This cake was baked by Mary for your birthday.
- AOption (a)
Mary has baked this cake for your birthday.
- BOption (b)
Mary baked this cake for your birthday.
- COption (c)
Mary bakes this cake for your birthday.
- DOption (d)
Mary has been baking this cake for your birthday.
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Correct answer
Mary baked this cake for your birthday.
Why this answer is correct
The correct answer is Mary baked this cake for your birthday.
Key Points
- The original sentence is in the Passive Voice, specifically in the Simple Past Tense, as indicated by the structure was + past participle (baked).
- To convert a Simple Past passive sentence into the Active Voice, the object of the passive sentence (Mary) becomes the subject of the active sentence.
- The verb form must change from was baked to the simple past form of the main verb, which is baked (V2).
- The subject of the passive sentence (This cake) becomes the direct object in the active sentence.
- The phrase for your birthday remains as a prepositional adjunct at the end of the sentence to maintain the original meaning.
- Following the formula Subject + V2 + Object, the correct transformation is Mary baked this cake for your birthday.
Additional Information
- Verb Tense Consistency:
- Has baked represents the Present Perfect Tense; it would correspond to the passive form has been baked.
- Bakes represents the Simple Present Tense; it would correspond to the passive form is baked.
- Has been baking represents the Present Perfect Continuous Tense, which focuses on an ongoing action rather than a completed one.
- Voice Rules:
- In Active Voice, the subject performs the action.
- In Passive Voice, the subject receives the action, and the agent is usually introduced by the preposition by.