Aya-san Posted 21 years ago
Grammar
I know/ I have known
1." I have known him for many years." ( from my English textbook)
Can I also say
2." I know him for many years." ?
If Yes, which one sounds more natural?
Can I also say
2." I know him for many years." ?
If Yes, which one sounds more natural?
Top answer
You have to use "I have known him for many years" here, because the action started in the past and is still continuing
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You have to use "I have known him for many years" here, because the action started in the past and is still continuing 
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No, only 1) is correct. You can say "I know him well", though. 1) is a case where the present perfect is used to express an action/state that started "many years" ago - the date is not mentioned - and is still true at the moment you're speaking.
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