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Cybercrystal Posted 14 years ago
Grammar

Tenses - help wanted

Hello,

Any differences between the followings?

How long have you worn braces? Since I was 10.

How long have you been wearing braces? Since I was 10.

Before the the Titanic disaster, the world hadn't witnessed the sinking of such a ship.

Before the the Titanic disaster, the world didn't witness the sinking of such a ship.

Thank you.
  

Top answer

In the first pair, both exchanges are correct. 'hadn't witnessed' is better.

— Philip

  • In the first pair, both exchanges are correct.
  • 'hadn't witnessed' is better.
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2 Answers
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In the first pair, both exchanges are correct.

'hadn't witnessed' is better.
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Thank you Philip. How about this:

How long has she studied?

Since 5 o'clock.

How long has she been studying?

Since 5 o'clock.
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