ed的過去式

原形 過去式 中文釋義

am was 是（表示存在、狀態等）

are were 是（表示存在、狀態等）

become became 成為變成

begin began 開始

break broke 打破

bring brought 拿來取來帶來

build built 構築建造建築

buy bought 購買買

can could 可以能可能會

catch caught 趕上（車船等）捕獲