1.
I joined the league two years ago.
I have been a League Member for two years.
I have been a member of Youth League for two years.
I have been in the league for two years.
2.
He has been a league member for 2 years.
He has been a member of the league for 2 years.
H has been in the league for 2 years.
3.
My brother has been a soldier for 2 years.
My brother has been in the army for 2 years.