YOU SAID:

how old was the green man when he discovered that his dog was blue

INTO JAPANESE

彼の犬が青であることが発見されたとき、緑の男は何歳でしたか

BACK INTO ENGLISH

How old was the green man when his dog was discovered to be blue?

INTO JAPANESE

彼の犬が青色であることが発見された時、緑の男は何歳でしたか？

BACK INTO ENGLISH

How old was the green man when his dog was found to be blue?

INTO JAPANESE

彼の犬が青色であることが判明した時、緑の男は何歳でしたか？

BACK INTO ENGLISH

When his dog turned out to be blue, how old was the green man?

INTO JAPANESE

彼の犬が青くなったとき、緑の男は何歳でしたか？

BACK INTO ENGLISH

How old was the green man when his dog turned green?

INTO JAPANESE

犬が緑色になった時、緑の男は何歳でしたか？

BACK INTO ENGLISH

How old was the green man when the dog turned green?

INTO JAPANESE

犬が緑色になった時、緑の男は何歳でしたか？

BACK INTO ENGLISH

How old was the green man when the dog turned green?