20 people have already left 和 had already left 有什么区别 请问 我知道一个是现完一个是过完表达意思上有什么区别

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20 people have already left 和 had already left 有什么区别 请问 我知道一个是现完一个是过完表达意思上有什么区别

20 people have already left 和 had already left 有什么区别 请问 我知道一个是现完一个是过完表达意思上有什么区别
20 people have already left 和 had already left 有什么区别 请问 我知道一个是现完一个是过完
表达意思上有什么区别

20 people have already left 和 had already left 有什么区别 请问 我知道一个是现完一个是过完表达意思上有什么区别
意思上没区别,只是时间概念有所不同.
have already left 强调到现在为止.
had already left 强调到过去某时为止.

  1. 第一句是已经完成的事情对现在产生的影响

  2. 第二句是过去已经完成的事对过去产生影响

望采纳

will people have robots different people have different( ) why do people have pets? will people have robots? 是什么意思? Every people have five senses. Different people have different s_______. different people have different Idea different people have different_______(hobby) people will not have to people have always enjoyed laughing People have supper in their Should people have cosmetic surgery? people have five ___(sense) People have to travel___cmels___the desert. People Have the Power 歌词 Different people have different clothes. 托福作文求思路 20 years from now ,people will have more leisure time you agree or disagree:20 years from now ,people will have more leisure time Society's people have been now realistic,what people