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if they had only had one more child,the fact would have pass

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/24 10:51:51
if they had only had one more child,the fact would have passed unnoticed.
这句话中的第二个have是什么用法,怎样翻译,为什么用have.
would have done 是一个时态 没具体意思
将来完成时
这个句子是虚拟语气.
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再问: 我说的是 had one more child,这里为什么用have