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Anonymous Posted 17 years ago
Grammar

Passive form of question

What is the passive form of this question, "Who inventd the steam engine?"
  

Top answer

Formal: By whom was the steam engine invented? Informal: Who was the steam engine invented by?

  • Formal: By whom was the steam engine invented?
  • Informal: Who was the steam engine invented by?
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1 Answers
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Formal: By whom was the steam engine invented?
Informal: Who was the steam engine invented by?
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