YOU SAID:

It would definitely be the last thing I will say if I had the ability to speak after my head is decapitated from my body, provided that I am talking to you.

INTO JAPANESE

私があなたと話しているなら、頭が体から首を切られた後に話す能力があったなら、それは間違いなく私が言うことになるでしょう。

BACK INTO ENGLISH

If I'm talking to you, if I had the ability to talk after my head was cut off from my body, that would definitely be what I would say.

INTO JAPANESE

私があなたと話しているなら、私の頭が私の体から切り離された後に話す能力があれば、それは間違いなく私が言うことでしょう。

BACK INTO ENGLISH

If I'm talking to you, if my ability to talk after my head was detached from my body, that would definitely be what I say.

INTO JAPANESE

私があなたと話しているなら、私の頭が私の体から離れた後に話す能力があれば、それは間違いなく私が言うことでしょう。

BACK INTO ENGLISH

If I'm talking to you, if my ability to talk after my head has left my body, that would definitely be what I say.

INTO JAPANESE

私があなたと話している場合、私の頭が私の体を離れた後に話す能力があれば、それは間違いなく私が言うことでしょう。

BACK INTO ENGLISH

If I'm talking to you, if my ability to talk after my head has left my body, that would definitely be what I say.