fight的過去式和過去分詞怎麼寫

例句

er Teresa is an elderly nun who has devoted her life to fighting poverty.

德肋撒嬤嬤是一位畢生致力於消除貧困事業的`年邁修女。

Government should be fighting for an end to food subsidies.

我們政府應該努力廢止食物補貼。

two men fought a battle over land and water rights.

這兩個男人爲土地和水的使用權發生了爭鬥。

fought in the war and was taken prisoner by the Americans.

他參了戰，後被美國人俘虜。

a child she fought with her younger sister.

她小時候會和妹妹打架。