English Language · English
Convert the following sentence from active to passive voice: The professor could have been explaining differential topology for hours.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Differential topology could have had been been explained for hours by the professor.
- 2Differential topology could have been being explained for hours by the professor.✓
- 3Differential topology could have explained for hours by the professor.
- 4Differential topology could have be being explained for hours by the professor.
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Differential topology could have been being explained for hours by the professor.
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