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"period of which" vs "period IN which"

Both phrases are correct, but they are used in different contexts. 'Period in which' is the more common and natural construction to use when referring to a specific time frame. 'Period of which' could be used in a more formal or literary context, but it is less common in everyday language.

Last Updated: March 26, 2024

period of which

This phrase is correct but less common in everyday language.

This phrase can be used in a formal or literary context to refer to a specific time frame.

Alternatives:

  • period in which
  • time during which
  • duration in which
  • interval in which
  • span in which

period IN which

This phrase is the more common and natural construction to use when referring to a specific time frame.

This phrase is widely used to indicate a particular time frame or duration.

Alternatives:

  • time during which
  • duration in which
  • interval in which
  • span in which
  • phase in which

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