UC知道I have had lunch为什么用两个have?
来源：百度知道 编辑：UC知道 时间：2024/06/02 13:56:32
前者have是构成现在完成时态的助动词。
而后者had是动词（过去分词）。表示“吃了”午饭。
一般情况现在完成时态表示做了的某件事对现在有一定影响。例如i have had lunch有（所以我现在很饱。）的暗含意思。
意思就是:我已经吃过了午饭
HAVE是一个完成时的标志。HAD是吃的意思
I have had lunch
没有两个have!
这是完成时，是have + 过去分词had
had lunch是在一起的，这里的had是动词，意思为吃饭.前面的have是完成时，这句话意思是我已经吃过午饭了
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