YOU SAID:

so when he returned to his home, his wife was dead

INTO JAPANESE

彼が家に戻ったとき、彼の妻は死んでいました

BACK INTO ENGLISH

His wife was dead when he returned home

INTO JAPANESE

彼が家に帰ったとき、彼の妻は死んでいた

BACK INTO ENGLISH

His wife was dead when he got home

INTO JAPANESE

彼が家に帰ったとき、彼の妻は死んでいました

BACK INTO ENGLISH

His wife was dead when he got home