YOU SAID:

I didn't have eaten an unusual today

INTO JAPANESE

私は今日は珍しいものを食べていませんでした。

BACK INTO ENGLISH

I have not eaten anything unusual today.

INTO JAPANESE

私は今日は珍しい何かを食べていない。

BACK INTO ENGLISH

I didn't eat anything unusual today.

INTO JAPANESE

私は今日何も異常を食べませんでした。

BACK INTO ENGLISH

Didn't I today have nothing abnormal.

INTO JAPANESE

私は今日何も異常を持っていなかった。

BACK INTO ENGLISH

I did not have abnormal nothing today.

INTO JAPANESE

私は今日、何も異常を持っていなかった。

BACK INTO ENGLISH

I did not have abnormal nothing today.