the year before last造句

1、The year before last he won a gold medal, and the year before that he won a silver.
他前年得了一枚金牌，大前年得了一枚银牌。

2、It was the year before last that he went to Xizang.
他前年去的西藏。

3、Could you speak Japanese the year before last year?
前年你会讲日语吗？