詞性判別

[Missyou99 (Ann)]

Staff dinners helped foster better work relations
____S__        __?___ __V_ ______O_______


一個句子只能有一個動詞,foster是動詞的話
helped呢?請問helped的詞性
謝謝

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推 thunder3304:動詞是helped 後面都是它的受詞