YOU SAID:

I went to the store and I bought a rotten fish, it smelled bad.

INTO JAPANESE

店に行ったと腐った魚を買いました、それは悪い臭い。

BACK INTO ENGLISH

When I went to a store I bought a rotten fish, it is a bad smell.

INTO JAPANESE

腐った魚を買った店に行ったとき、それは悪臭です。

BACK INTO ENGLISH

When I went to a shop where I bought a rotten fish, it is a bad smell.

INTO JAPANESE

腐った魚を買った店に行ったとき、それは悪臭です。

BACK INTO ENGLISH

When I went to a shop where I bought a rotten fish, it is a bad smell.