YOU SAID:

We lost salt and we are missing.

INTO JAPANESE

私たちは塩を失い、行方不明です。

BACK INTO ENGLISH

We have lost salt and are missing.

INTO JAPANESE

塩をなくしてなくしています。

BACK INTO ENGLISH

I am losing salt and losing it.

INTO JAPANESE

私は塩を失い、それを失うのです。

BACK INTO ENGLISH

I lose salt and I lose it.

INTO JAPANESE

私は塩を失い、それを失います。

BACK INTO ENGLISH

I lose salt and I lose it.