Terms for subject Informal containing been a while

English	Russian
been a while	сколько лет, сколько зим (reijiimeganeko)
been a while	немало времени прошло (Been a while, but good to be back. ART Vancouver)
been a while	давно не виделись (reijiimeganeko)
it's been a while	столько времени прошло (Franka_LV)
it's been a while	много времени утекло (Franka_LV)
it's been a while	давно не виделись (Andy)
it's been a while	давненько (я не забивал VLZ_58)
it's been a while	много времени прошло (Franka_LV)
it's been a while	сколько лет, сколько зим (sophistt)
it's been a while since anything like that happened to me	давненько со мной такого не бывало (Technical)