動詞の形
原形
prove
Past Simple
proved
Past Participle
proven
例文
原形 · prove
Facts prove theories right or wrong.
Past Simple · proved
The experiment proved his hypothesis.
Past Participle · proven
The method has proven effective in many studies.
活用パターン
3つの形がすべて異なる — 最も練習が必要なグループです。