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 wo

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...