変かわれば変かわる

expression, pre-noun adjectival

completely changed; totally transformed

Fixed expression used pre-nominally, often followed by もの or もん, to emphasize that something has changed so much it is unrecognizable.

See also: 変わる

• 久ひさしぶりに会あったら、彼かれは変かわれば変かわるものだと思おもった。

  When I met him after a long time, I thought he had completely changed.

• この町まちも変かわれば変かわるもんだね。

  This town has really changed, hasn't it?