YOU SAID:

I shoudn't have done that

INTO JAPANESE

私はそうしなかったと私は言った。

BACK INTO ENGLISH

I said that I did not.

INTO JAPANESE

私は確かにそう言った

BACK INTO ENGLISH

I said that. I did.

INTO JAPANESE

私は確かにそう言った

BACK INTO ENGLISH

I said that. I did.