YOU SAID:

I was working in the lab late one night when my eyes beheld an eerie sight

INTO JAPANESE

私の目が不気味な光景を見たとき、私はある晩遅く実験室で働いていました

BACK INTO ENGLISH

When my eyes saw an eerie sight, I worked in the laboratory late one night

INTO JAPANESE

私の目が不気味な光景を見たとき、私はある晩遅く実験室で働いた

BACK INTO ENGLISH

When my eyes saw an eerie sight, I worked in the laboratory late one night