would have been的 总结
问题描述:
would have been的 总结
答
would have + 过去分词的句型在虚拟语气中表达与过去事实相反的情况 从句:If 主语+had+done 主句:主语+should/would/could/might+have done 例如:1. If I had got there earlier,I should/could have met her....