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Alc24 Posted 15 years ago
Grammar

IN or WHEN or NONE?

Which is correct please?

1 I was careful in opening the box.

2 I was careful when opening the box.

THank you
  

Top answer

All 3 are fine.

  • All 3 are fine.
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3 Answers
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Hi,

I was careful [in / when / while] opening the box.

Regards
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Or: I was careful opening the box. (no preposition, as indicated in the thread title).

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