YOU SAID:
You see his grandfather is dead.
INTO JAPANESE
あなたは彼の祖父が死んでいるのを見る。
BACK INTO ENGLISH
You see his grandfather dead.
INTO JAPANESE
あなたは彼の祖父が死んでいるのを見る。
BACK INTO ENGLISH
You see his grandfather dead.
That didn't even make that much sense in English.