When I went there on what would have been our honeymoon.
Friends ,Season1,Episode 20里面,BARRY 说给RACHEL听的：we can,we cango to Aruba,When I went there on what would have been our honeymoon,it was really nice,you 'd have loved it.我理解不了这句话的语法．ON WHAT,怎么理解哦,谢谢