YOU SAID:
if I were an airplane I would fly to France to eat a chocolate croissant
INTO JAPANESE
もし私が飛行機だったら、チョコレートクロワッサンを食べるためにフランスに行くでしょう
BACK INTO ENGLISH
If I was an airplane, I would go to France to eat chocolate croissants
INTO JAPANESE
私が飛行機だったら、チョコレートクロワッサンを食べるためにフランスに行きます
BACK INTO ENGLISH
If I was an airplane, I would go to France to eat chocolate croissants
You've done this before, haven't you.