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I have known him for a long time vs I have known him since a long time

The phrase 'I have known him for a long time' is correct, while 'I have known him since a long time' is incorrect. The preposition 'for' is used to indicate the duration of time in English, while 'since' is used to specify a point in time when an action started.

Last updated: March 20, 2024 • 3317 views

This phrase is correct and commonly used in English.

"I have known him for a long time"

This phrase is used to express that you have been acquainted with someone for an extended period.

Examples:

  • I have known him for a long time, and we are very close friends now.
  • She has been working at the company for a long time.
  • They have been living in that house for a long time.
  • We have been studying English for a long time.
  • He has been playing the guitar for a long time.
  • May 27, 2022 ... I have known him for a long time. There doesn't seem to be any doubt that 2 is perfectly correct and perfectly idiomatic; however, I'm not ...
  • Nov 25, 2020 ... "I have known him for a long time" makes more sense if the person is alive and you have an ongoing relationship with him.
  • Oct 29, 2021 ... I have known him (for) a long time. /I´m not sure here if "for" can be left out or not/ Thank you :). owlman5. Senior Member. Colorado.
  • Mar 29, 2013 ... We are both virgins (he does have more experience), and while I have known him for a long time, I don't know him as well as I'd like. I want ...
  • May 31, 2016 ... I want to say in German I have known him for a long time. In this context I met somebody five years ago and the person has been my acquaintance since.
  • Jul 25, 2024 ... ... I HAVE KNOWN HIM FOR A LONG TIME WHEN WE WOULD MEET AT TAMMY'S HOUSE FOR EASTER GONE BUT NEVER FORGOTTEN CELEBRATE WITH YOUR DAUGHTER. Randy ...
  • I just want to say that from all this you would gather I have known him for a long time. I have. I have known him since before most of you were born, at ...
  • Oct 13, 2021 ... Today I went on an outing with a friend and his young daughter. My friend is in his 30's and I have known him for a long time.
  • Feb 28, 2024 ... I have known him for a long time. He is now in heaven with all great angels. Praying for all friends and family and my daughter and ...
  • We are both virgins (he does have more experience), and while I have known him for a long time, I don't know him as well as I'd like. I want to wait until ...

Alternatives:

  • I have known him for ages.
  • I have known him for years.
  • I have known him for a while.
  • I have known him for a considerable amount of time.
  • I have known him for a lengthy period.

This phrase is incorrect in English. 'Since' is used to refer to a specific point in time, not a duration of time.

"I have known him since a long time"

The correct usage of 'since' is to indicate the starting point of an action or event.
  • Jun 17, 2013 ... "The film is directed by Milan Luthria and I have known him since a long time. He used to assist (Mahesh) Bhatt sahab and my first ever song ...
  • I was trusting my director as I have known him since a long time," Tabu said. " Fortunately or unfortunately they (makers) come to me with these kind of characters ...
  • Jan 23, 2016 ... I have known him since a long time. We were together for Anna Hazare's movement, but now he has become a self-centered man. He is hungry ...
  • I have known him since a long time when he came for the first time and join the Faculty of Business and Management in May 2009, and also witnessed his way ...

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