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Kalpab Posted 15 years ago
Grammar

It is/It has been

'It is not yet understood how the accident happened' and 'It has not yet been understood how the accident happened'. Difference...? Thank you.
  

Top answer

The first version is more natural. In the second version change understood to determined or ascertained . Rover

  • The first version is more natural.
  • In the second version change understood to determined or ascertained .
  • Rover
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2 Answers
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The first version is more natural.

In the second version change understood to determined or ascertained.

Rover
0
It is not yet [understood / known] how ... [Stative verbs]

But

It has not yet been [determined / discovered] how ... [Dynamic verbs]

CJ

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