James Watt discovered the energy of steam.
Correct answer: B. The energy of steam was discovered by James Watt.
- A. The energy of steam discovered James Watt
- B. The energy of steam was discovered by James Watt.
- C. James Watt was discovered by the energy of steam
- D. James Watt had discovered energy by the steam
Explanation
This sentence is in the passive voice, indicating that the focus is on the object (the energy of steam) that received the action (being discovered), rather than the person who performed the action (James Watt).- The sentence conveys the same meaning as the original sentence, emphasizing the discovery of the energy of steam by James Watt
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About Active and Passive Voice
Active voice presents the doer as the subject, while passive voice presents the receiver of the action and uses an appropriate form of “be” with the past participle. Questions cover tense changes, modal verbs, omitted agents and sentences that cannot be passivized because they lack a suitable object.
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