YOU SAID:

ill do it when pigs fly

INTO JAPANESE

豚が空を飛ぶときはダメだ

BACK INTO ENGLISH

Not when pigs fly

INTO JAPANESE

豚が飛んでいるときではない

BACK INTO ENGLISH

not when pigs are flying

INTO JAPANESE

豚が飛んでいるときではない

BACK INTO ENGLISH

not when pigs are flying