I found Tom ____(play) games yesterday evening.答案是playing,为什么要填playing呢?

I found Tom ____(play) games yesterday evening.答案是playing,为什么要填playing呢?
I found Tom ____(play) games yesterday evening.答案是playing,为什么要填playing呢?

I found Tom ____(play) games yesterday evening.答案是playing,为什么要填playing呢?
I found Tom ____(play) games yesterday evening.答案是playing,正确.
句意是：“我昨晚发现汤姆正在玩游戏”.
因为find sb do sth/ doing sth是固定用法.
find sb doing sth意思是发现某人【正在做某事】.
find sb do sth 意思是发现某人【做了某事,已经做完了】.
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