about die,died,dead

Die 係動詞
Died 係 die 既過去式
而 Dead 係形容詞, 不過亦都係名詞 ~ (The dead)

(順帶一提 ~ Die 既進行式係 dying)

short...

1. die - present tense
e.g. When the doctor enters the ward, he dies.
2. died - past tense
Many soldiers died in WWII.
3. dead - adj.
The man was found dead before the police arrived at the site.