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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20peoplehavealreadyleft和hadalreadyleft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20peoplehavealreadyleft和hadalrea

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