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在英语中have,has的用法

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在英语中have,has的用法
我在做题中有这样一道题目:Has his father come back from work?Please tell me.(合并句子)----Please tell me ____ his father ____ come back from work.在这道题中让我很不解的是"Has his father come back..."中Has...come我觉得"come"应该"came"吧,现在完成时:have/has+过去分词.但这“has+动词原形”我实在没见过...
在英语中have,has的用法
现在完成时,这里come是过去分词的,不是原形.
Please tell me if his father has come back from work.