I would like to know if the sentence I don't know how many time is gone makes sense and, if yes, Is there an idiom to say that.


John: You're a programmer expert, I remember when you were young and you used Visual Basic.

Luke: I don't know how many time is gone.

  • 3
    Can you please edit your question to include a context for that phrase? I'm not sure what you're trying to say.
    – Andrew
    Sep 30, 2016 at 21:59
  • Time in this context is a mass noun, so you can't count it like "many time", you have to say "much time".
    – stangdon
    Oct 1, 2016 at 17:40

2 Answers 2


"I don't know where the time has gone" is what you want. At my age, I say this all the time.

  • Ok, thanks a lot of! Btw, why has gone instead of is gone?
    – Blind
    Sep 30, 2016 at 22:25
  • Wow, that's actually a more difficult question to answer than your actual question, and I can't really think of a good reason other than "that's the idiom". Instead of "Where has the time gone?" you can say "Where did the time go?" but "is gone" has a different nuance from either. Perhaps you should ask that as a separate question?
    – Andrew
    Sep 30, 2016 at 22:31
  • Sure, Tomorrow morning I'll do it, It's late now.
    – Blind
    Sep 30, 2016 at 22:33
  • 1
    FWIW, the short version of this idiom is "time flies".
    – J.R.
    Sep 30, 2016 at 22:33
  • 2
    @Andrew, Early Modern English used forms of "be" to form the perfect of some intransitive verbs, especially ones of motion: "I am come; he is arrived; they are grown tall". Modern English has standardised on forms of "have" for all perfects, so those forms are archaic (though familiar from the King James Bible). French and German continue to work like EME.
    – Colin Fine
    Sep 30, 2016 at 22:42

Luke can also use the phrase time flies.

time flies phrase
Used as an observation that time seems to pass very quickly.
‘people say time flies when you're having fun’
‘my daughter started school in September—oh, how time flies’

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