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Volcano1985 Posted 17 years ago
Grammar

The world _____ by the animals in Arctic Tale

The world ____ by the animals in Arctic Tale ____ rapidly changing from a perpetually frozen wonderland to an unstable maze of melting ice and snow.

A) inhabited / is
B) having inhabited / was
C) inhabited / has been
D) being inhabited / had been
E) inhabiting / will be

Could you explain me why the key is A, why not C?
  

Top answer

Hi Volcano The use of the present perfect continuous (has been changing) does not necessarily indicate that the change is currently still in progress. With the present perfect (simple or continuous), it is never 100% clear whether the activity is still ongoing or not. The use of the present perfect continuous in your sentence would tend to suggest that the change is still in progress, however it is also possible that it isn't.

— Yankee

  • Hi Volcano The use of the present perfect continuous (has been changing) does not necessarily indicate that the change is currently still in progress.
  • With the present perfect (simple or continuous), it is never 100% clear whether the activity is still ongoing or not.
  • The use of the present perfect continuous in your sentence would tend to suggest that the change is still in progress, however it is also possible that it isn't.
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2 Answers
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Hi Volcano

The use of the present perfect continuous (has been changing) does not necessarily indicate that the change is currently still in progress. With the present perfect (simple or continuous), it is never 100% clear whether the activity is still ongoing or not. The use of the present perfect continuous in your sentence would tend to suggest that the change is still in progr
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