crack。cracking。cracks。cracked 區別

The glass is going to crack. 那玻璃將會爆裂。(未來式)

The glass is cracking. 那玻璃正在爆裂。(進行式)

The glass cracks when being hit too hard. 若打得太大力，玻璃會破裂(現在式)

There are cracks on the glass. 玻璃有裂痕。(這裏是用作名詞"裂痕")

The glass has cracked. 玻璃破裂了。(過去式)

很希望會對妳有幫助。