YOU SAID:

I had a dream last night where I was eating soup.

INTO JAPANESE

私はスープを食べていた最後の夜夢を見ました。

BACK INTO ENGLISH

I saw last night a dream that had eaten the soup.

INTO JAPANESE

私は最後の夜のスープを食べていた夢を見ました。

BACK INTO ENGLISH

I had a dream that had eaten the last night of the soup.

INTO JAPANESE

私はスープの最後の夜を食べていた夢を見ました。

BACK INTO ENGLISH

I had a dream that had eaten the last night of the soup.