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for / since

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  • 2 hours
    FOR 2 hours
  • 3 minutes
    FOR three minutes
  • three weeks
    FOR three weeks
  • 2010
    SINCE 2010
  • half past three
    SINCE half past three
  • this morning
    SINCE this morning
  • 2 o'clock
    SINCE 2 o'clock
  • 2000 years
    FOR 2000 years.
  • Friday
    SINCE Friday
  • 2018
    SINCE 2018
  • a long time
    FOR a long time
  • millions of years
    FOR millions of years
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