過(guò)去式是participated in短語(yǔ)是participate in。

articipate：v.參加;參與；第三人稱單數(shù)： participates現(xiàn)在分詞： participating過(guò)去式： participated過(guò)去分詞： participated 擴(kuò)展資料They plan to participate in the autumn fair.他們計(jì)劃參加秋季交易會(huì)。The girls in his class are willing to participate in the dancing party.他班上的.女生們很樂(lè)意參加這次舞會(huì)。Each child had participated in extracurricular activities at school.每個(gè)孩子都參加了學(xué)校的課外活動(dòng)。The White House has not participated in any talks.白宮方面沒(méi)有參加任何會(huì)談