Употребите в предложениях present perfect, выбрав правильный предлог (since или for). i've worked in the factory (for/since) 1970. he's been abroad (for/since) five years. i studied french (for/since) twelve years. i've known her (for/since) 1982. i've lived here (for/since) i was a child. we've been in paris (for/since) we were married. i've known them (for/since) years.