做完作业后，孩子们出去玩了。
Having finished their homework, the children went out to play.
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having英 /ˈhævɪŋ/|美 /ˈhævɪŋ/
finished英 /ˈfɪnɪʃt/|美 /ˈfɪnɪʃt/
解释
having 是 have 的现在分词，finished 是 finish 的过去分词。having finished 构成现在分词的完成体（perfect participle），表示该动作在主句动作之前已经完成。整个分词短语置于主句之前，提供时间先后关系。
Having finished their homework, the children went out to play.
having 是 have 的现在分词，finished 是 finish 的过去分词。having finished 构成现在分词的完成体（perfect participle），表示该动作在主句动作之前已经完成。整个分词短语置于主句之前，提供时间先后关系。