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Bielo Posted 15 years ago
Grammar

"ago" before "since"

A friend of mine told me not to put "ago" before "since," as it's not needed: "it's ten years since he wrote his book" not "ten years ago since."

He didn't give me an explanation for that, though. I would like to why "ten years ago since" isn't correct.
  

Top answer

Ago is used to refer to a past time/date. Since is used to refer to the time from a past time/date to this moment. She left me ten years ago.

  • Ago is used to refer to a past time/date.
  • Since is used to refer to the time from a past time/date to this moment.
  • She left me ten years ago.
  • She has been ill since Friday.
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2 Answers
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Ago is used to refer to a past time/date. Since is used to refer to the time from a past time/date to this moment.

She left me ten years ago.

She has been ill since Friday.
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BieloI would like to know why "ten years ago since" isn't correct.
The expression

It's _______ since { something happened }.

requires an amount of time to be placed in the blank space.

ten years, three weeks, five months. These are all amounts of time. They can go in the blan

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