We haven't seen each other for 3 years
或者It has been 3 years since we met last time.
两者均可
there are almost 3 years we have not seen each other ,这样说是不行的
there are 是表示某地存在某物才用这个句型,表时间的话要用it来指代,时间是不可数名词,虽然是3年,还是要用it is .
We haven't seen each other for 3 years
或者It has been 3 years since we met last time.
两者均可
there are almost 3 years we have not seen each other ,这样说是不行的
there are 是表示某地存在某物才用这个句型,表时间的话要用it来指代,时间是不可数名词,虽然是3年,还是要用it is .