完成作业后，他打开电视看了一会儿节目。
After having finished his homework, he turned on the TV to watch a show.
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After英 /ˈɑːftə/|美 /ˈæftər/
having英 /ˈhævɪŋ/|美 /ˈhævɪŋ/
finished英 /ˈfɪnɪʃt/|美 /ˈfɪnɪʃt/
解释
After 引导非限定从属从句；having finished 用 have 的 -ing 形式与 finish 的过去分词构成完成体，强调完成作业发生于开电视之前。
After having finished his homework, he turned on the TV to watch a show.
After 引导非限定从属从句；having finished 用 have 的 -ing 形式与 finish 的过去分词构成完成体，强调完成作业发生于开电视之前。