動詞の形
原形
grind
Past Simple
ground
Past Participle
ground
例文
原形 · grind
We grind fresh coffee beans every morning.
Past Simple · ground
The mill ground wheat into flour for the village.
Past Participle · ground
The spices have been ground into a fine powder.
活用パターン
過去形と過去分詞が同じ形です。