Tom was caught (cheat) in the exam.括号内应该用cheat的什么形式,为什么?

Tom was caught (cheat) in the exam.括号内应该用cheat的什么形式,为什么?
Tom was caught (cheat) in the exam.
括号内应该用cheat的什么形式,为什么?

Tom was caught (cheat) in the exam.括号内应该用cheat的什么形式,为什么?
Tom 是cheat的主动者,catch的被动者,分别用主动态和被动态.同时be caught doing被抓到正在做某事 所以是cheating