作业帮my life has changed a lot in the last few years为什么是用has changed?这为什么用现在完成时,为什么不是had changed
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my life has changed a lot in the last few years为什么是用has changed?这为什么用现在完成时,为什么不是had changed
my life has changed a lot in the last few years
为什么是用has changed?这为什么用现在完成时,为什么不是had changed
my life has changed a lot in the last few years为什么是用has changed?这为什么用现在完成时,为什么不是had changed
这里要表达的是这种改变对现在造成的影响,所以用现在完成时态.
至于为什么不用had changed,是因为这句子是说现在的事情,假设说的是在过去某个时间点之前的事情,就要用过去完成时,即had changed.
in the last few years-----------与现在完成时搭配的常见用法
过去完成时是一个相对时态，必须有一个参照的过去时间状语，此句子时间状语in the last few years意为在过去的几年里，是相对现在而言的，所以用现在完成时。
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