Year Before Last
noun
Remember how 一昨日 means "day before last"? Similarly, one year previous to that year is the year before last.
The last time you tossed something into a trash can was the year before last. Why? Because you got a trash can with an auto tossing (おととし) feature. What amazing technology!
一昨年からしている
have been doing since two years ago
一昨年から始めた
started two years ago
一昨年亡くなった
passed away two years ago
一昨年以来
since two years ago
一昨年12月末
the end of December two years ago
一昨年の市長
the former mayor two years ago
一昨年の秋
autumn two years ago
一昨年の一月
January two years ago
一昨年の市長って誰だったっけ?
Who was the mayor two years ago again?
一昨年から毎日ジョギングをしています。
I have been jogging every day since two years ago.
一昨年、ハウステンボスでハウステンボス歌劇団のショーを見てきました。
The year before last, I saw a show by the Huis Ten Bosch Revue in Huis Ten Bosch.