YOU SAID:
If i were in you I would played football
INTO JAPANESE
私があなたの中にいたなら、私はサッカーをしました
BACK INTO ENGLISH
I played soccer if I was in you
INTO JAPANESE
君の中にいたらサッカーをした
BACK INTO ENGLISH
I played soccer when I was in you
INTO JAPANESE
私はあなたの中にいたときにサッカーをしました
BACK INTO ENGLISH
I played soccer when I was in you
That didn't even make that much sense in English.