Once every two hours vs Once in every two hours

Discussion in 'English Only' started by EdisonBhola, Nov 27, 2012.

  1. EdisonBhola Senior Member

    I was talking to a friend the other day and I told him to help me check my stove (I was making soup) once every two hours to make sure the soup was okay. Then suddenly, I thought to myself: Should I say "once every two hours" or "once IN every two hours"?

    Are the two interchangeable and both acceptable?

    Many thanks!
  2. Tazzler Senior Member

    American English
    "in" is not needed here. I would call it incorrect.
  3. JJohnson

    JJohnson Senior Member

    Southwest Texas
    Texan English
    You were right the first time.
    "Please check the soup (once) every two hours."
    "Once in every two hours" would mean "please check the soup at some point within a two-hour period".
  4. Parla Senior Member

    New York City
    English - US
    I agree with Mr Johnson's comment. In fact, you could omit "once" and simply say, "Please check the soup every two hours."
  5. EdisonBhola Senior Member

    Forgotten to check this reponse.
    Thanks for all input! :)

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