YOU SAID:

does a fly fly away if the fly flys away

INTO JAPANESE

フライが飛び去るなら、フライは飛んでいく

BACK INTO ENGLISH

If the fly flies away, the fly will fly.

INTO JAPANESE

ハエが飛び去れば、ハエは飛んでいく。

BACK INTO ENGLISH

When a fly flies away, it flies.

INTO JAPANESE

ハエが飛び去ると飛ぶ。

BACK INTO ENGLISH

When a fly flies away, it flies.