If it had been fine,we would have gone to the park.为什么此句中的“如果天气好的话”要用过去完成时,还有have gone是表示”去过还没回来”的意思,为什么这句话中要用它呢,用have been不是更好吗

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If it had been fine,we would have gone to the park.为什么此句中的“如果天气好的话”要用过去完成时,还有have gone是表示”去过还没回来”的意思,为什么这句话中要用它呢,用have been不是更好吗
If it had been fine,we would have gone to the park.
为什么此句中的“如果天气好的话”要用过去完成时,还有have gone是表示”去过还没回来”的意思,为什么这句话中要用它呢,用have been不是更好吗

If it had been fine,we would have gone to the park.为什么此句中的“如果天气好的话”要用过去完成时,还有have gone是表示”去过还没回来”的意思,为什么这句话中要用它呢,用have been不是更好吗
这个是虚拟语气,表示对过去不可能发生的事的假设,意思是说“如果天气好的话,我就已经去公园了.”但是天气好这件事情现在是不可能的,所以用虚拟语气 have been只是对过去已经发生的事情的叙述,强调其对现在的影响

这句意思是说如果天气好的话，我们现在还在公园呢，所以说明实际没去，只是虚拟

这是go to the park的虚拟,跟你说的那无关.
自己理解一下

当我们谈论过去没有发生的事时[设想如果情况不是那样就会发生什么情况]就使用"if+过去完成时"这个结构,在这个句子的其余部分使用完成时态的条件式.其实是种虚拟

这是个虚拟语气,意思是"如果天气好的话,我们就已经去过公园了." 实际上因为天气不好,他们基本就没去公园,这是对已经发生过的事情的虚拟. 这是对过去已经发生事情虚拟的固定的格式,一般假设句里用过去完成式即had done sth.,结果句里用would/could+ have done sth.
对现在的虚拟格式是: 假设句用did sth., 结果句用 had done sth.

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这是个虚拟语气,意思是"如果天气好的话,我们就已经去过公园了." 实际上因为天气不好,他们基本就没去公园,这是对已经发生过的事情的虚拟. 这是对过去已经发生事情虚拟的固定的格式,一般假设句里用过去完成式即had done sth.,结果句里用would/could+ have done sth.
对现在的虚拟格式是: 假设句用did sth., 结果句用 had done sth.
对将来的虚拟格式是: 假设句用do sth., 结果句用 would/could +do sth.
这都是固定的格式,考试中十分常见,只要记住了,就不会丢分的.

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