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Bbk_agp Posted 16 years ago
Grammar

Passing/passes ?

Hi,

Meteor showers occure when the Earth passing/passes throught the tail of a comet.

Which one is correct? why?

Thanks.
  

Top answer

As amended, both of these options are OK and synonymous: Meteor showers occur when the Earth passes / is passing through the tail of a comet.

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3 Answers
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As amended, both of these options are OK and synonymous:

Meteor showers occur when the Earth passes / is passing through the tail of a comet.
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Mister MicawberAs amended, both of these options are OK and synonymous:Meteor showers occur when the Earth passes / is passing through the tail of a comet.
Thanks for your answering and helping me through tough times
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Yes, a rule, a rather basic one. 'Passing' is not a finite verb, and every sentence needs one.