Since I was ten, I have played the guitar.
自從我十歲以來,我一直彈吉他。
Since our school opened, we have had a new library.
自從我們學校成立以來,我們就有一座新圖書館。
I have grown taller since I started junior high.
自從我上國中以來,我長得更高了。
Since my family moved here, I have made new friends.
自從我家搬到這裡,我交了新朋友。