On being observed

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On being observed

Unread post by henz988 » Tue Dec 19, 2006 10:45 am

On being observed, it immediately ran away.
Can observed be understood as an adj.? Is it similar to the arrived in the following sentence?
Arrived at the station, he found his train gone.

Can Arrived at be written as On being arrived at?

Thank you very much!!

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Unread post by eric_p_m » Wed Dec 20, 2006 4:43 am

Dear Henz988,

"On being observed" is the passive voice and "observed" here is the past participle, which is hence considered as an adjective.

"Arrived at the station" is short for "Having arrived at the station" and is the progressive perfect, which also pertains to the active voice.

Both "observed" and "arrived" here are past participles, but that is where the comparison ends.


Eric Paul Monroe


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