Identified and explained active voice sentences in a given paragraph and provided examples of active and passive voice constructions.
Sentence 4 in the paragraph is in the active voice. This is because the subject of the sentence (we) performs the action (watched them in action building their masterpiece).
The sentence written in active voice outside the paragraph is My office mate is organizing the carpool. Here, the subject (My office mate) is performing the action (organizing the carpool).
To convert an active sentence to passive, the subject becomes the receiver of the action. For instance, 'My sister was bitten by the neighbor's dog.'
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