my life has changed a lot in the last few years 这句话是什么时态的句子啊

来源：学生作业帮编辑：搜搜考试网作业帮分类：英语作业时间：2024/08/06 12:20:48

my life has changed a lot in the last few years 这句话是什么时态的句子啊,那为什么用has又in the

in the last few years 意为在过去的几年中,表示段时间,可以用现在完成时.
in/for/over the last ...years 都是现在完成时的标志.
标志词一般有 already,yet,so far,as yet,lately ,recently,these days/weeks/years,until now,up to now,since+ 时间点,for+时间段
再问：为什么不是过去完成时啊？
再答：过去完成时一般会有标志的，比如说I had learnt 1000 words by last year.意即：到去年为止我已学会了1000个单词。 by last year就是个标志性的词组，过去完成时一般用于这种表示过去的过去发生的动作，而现在完成时是与现在比较。你先的句子 in the last few years 就是说在过去的几年，是与现在比较的。一般在做题时，题目会有明显的标志性词组或词语，你平时记住就行，在考试时再根据具体的语境，决定是否只需根据标志词就能确定时态。其实确定时态最主要的是根据语境，但是现在的考试一般都只考标志词，记住就行。希望可以帮到你

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