On dokuz yaşımdan beri sigara içiyorum. - I have been smoking since I was nineteen.
On dokuz yaşımdan beri sigara içiyorum.
I have been smoking since I was nineteen.
Kaptan on dokuz yaşındayken denize gitti. - The captain went to sea when he was nineteen.
Kaptan on dokuz yaşındayken denize gitti.
The captain went to sea when he was nineteen.