搜搜考试网it is years since i saw him（追加）
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it is years since i saw him（追加）
it is years since i saw him
为什么不说it is years since i has seen him
而it was years since i had seen him 却可以
it is years since i saw him
为什么不说it is years since i has seen him
而it was years since i had seen him 却可以
我画个图
过去的过去-------过去-----现在i you me him her 都在这里
如果说从过去开始,到现在已经多少时间,
用It is\has been(这里都可以）+时间+since引导的过去式
翻译为从过去做某件事到现在已经多久.
如果说从过去的过去到过去
用It was +时间+since引导的过去完成时
翻译为从过去的过去某件事到过去已经多久.
区别这两者,你就采用我那个图的倒退一格,就很好理解了.
过去的过去-------过去-----现在i you me him her 都在这里
如果说从过去开始,到现在已经多少时间,
用It is\has been(这里都可以）+时间+since引导的过去式
翻译为从过去做某件事到现在已经多久.
如果说从过去的过去到过去
用It was +时间+since引导的过去完成时
翻译为从过去的过去某件事到过去已经多久.
区别这两者,你就采用我那个图的倒退一格,就很好理解了.
it is years since i saw him（追加）
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