初级英语,求大师帮忙解释一下为什么要写那个选项“ Mr Brown, why has your company been so slow to act ? ”“ _____ we known of the problem earlier, we would have acted sooner.”

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初级英语,求大师帮忙解释一下为什么要写那个选项“ Mr Brown, why has your company been so slow to act ? ”“ _____ we known of the problem earlier, we would have acted sooner.”

初级英语,求大师帮忙解释一下为什么要写那个选项“ Mr Brown, why has your company been so slow to act ? ”“ _____ we known of the problem earlier, we would have acted sooner.”
初级英语,求大师帮忙解释一下为什么要写那个选项
“ Mr Brown, why has your company been so slow to act ? ”
“ _____ we known of the problem earlier, we would have acted sooner.”

初级英语,求大师帮忙解释一下为什么要写那个选项“ Mr Brown, why has your company been so slow to act ? ”“ _____ we known of the problem earlier, we would have acted sooner.”
这原本是一个完整的虚拟语气,完整的形式是 If we had known of the problem earlier,we would have acted sooner.把had提前主语放后面是强调句型,所以需要填Had.强调如果我们知道这件事,也就是事实是我们不知道这件事.

Were 这个句子的语法是过去将来时 were提前表示如果我们早点知道这个问题

你好 填 Had
前一句 说为什么你们公司行动如此慢?
后一句 如果我们已经早就已经知道这个问题,那么我没回早点行动的。
但事实是 “我们”不知道,所以用到的是虚拟语气
原句 if we had known of the problem earlier, we would have acted sooner.
将 had 前提 就是答案了...

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你好 填 Had
前一句 说为什么你们公司行动如此慢?
后一句 如果我们已经早就已经知道这个问题,那么我没回早点行动的。
但事实是 “我们”不知道,所以用到的是虚拟语气
原句 if we had known of the problem earlier, we would have acted sooner.
将 had 前提 就是答案了

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