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New2grammar Posted 19 years ago
Grammar

raining

It has been raining on and off [for] a few days now.

Is 'for' necessary in this sentence? And also please check for any mistakes.

Thank you!
  

Top answer

I think for is necessary, when formal.

  • I think for is necessary, when formal.
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1 Answers
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I think for is necessary, when formal.

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