YOU SAID:

It was not your fault, it was my fault

INTO JAPANESE

それはあなたのせいではありませんでした、それは私のせいでした

BACK INTO ENGLISH

It wasn't your fault it was my fault

INTO JAPANESE

あなたのせいじゃない、私のせいだった

BACK INTO ENGLISH

it wasn't your fault it was my fault

INTO JAPANESE

それはあなたのせいではなかった それは私のせいだった

BACK INTO ENGLISH

it wasn't your fault it was my fault