劍橋詞典the form of a verb used to describe an action that happened before the present time and is no longer happening . It is usually made by adding -ed （動(dòng)詞的）一般過去式 The past simple of 'cook ' is 'cooked '. cook 的一般過去式是 cooked。 例句 The past simple of 'understand ' is 'understood '.The past simple of 'go' is 'went'. 返回 the past simple