YOU SAID:
Why did you say the frog was green it was purple
INTO JAPANESE
なぜカエルは緑だったのに紫だと言ったのですか
BACK INTO ENGLISH
Why did you say the frog was purple when it was green?
INTO JAPANESE
カエルは緑なのになぜ紫だと言ったのですか?
BACK INTO ENGLISH
Why did you say frogs are purple when they are green?
INTO JAPANESE
カエルは緑なのになぜ紫だと言ったのですか?
BACK INTO ENGLISH
Why did you say frogs are purple when they are green?
That didn't even make that much sense in English.