年前的用法和樣例：
例句
-
三年前，我去過葡萄牙。
I went to Portugal three years ago. -
100年前，北美有大量的野牛。
There were lots of buffaloes in the North America 100 years ago. -
一年前，他還是一個不為人知的畫家。
He was an unknown painter one year ago. -
這所大學於一百多年前創建。
The foundation of this university took place over 100 years ago. -
兩年前我用步槍打獵。
I hunted with a musket two years ago. -
他兩年前來到這裡。
He came here two years ago. -
他和十年前不一樣。
He's a different man from what he was 10 years ago.
