I remember having an extremely busy timetable when I was at high school, and it would not have been possible to add to it.
各位可否帮我看看这句话 【it would not have been possible to add to it】这是什么语法结构?
I remember having an extremely busy timetable when I was at high school, and it would not have been possible to add to it. 这是雅思考试的一个作文模板。就反对中学生参加社区义务劳动提出几个观点。这句话的意思是:我记得我上高中的时候,时间表安排的满满的,不可能再添加其他活动日程了。it是形式主语,to add to it真正主语,would have been possible表示推测。
to add to it为真正主语。但不定式的动作实际没有发生,所以不定式暗示了一个假设的让步条件,即 Even if we had wanted to add to it, it wouldn't have been possible.
所以,would have been为虚拟语气形式。
这个句子不宜用情态动词的推测性用法来解释。因为如果是站在现在的立场推测,就可以用will,但这个句子显然不能用will。如果站在过去立场推测,不定式表示过去将来的动作,那么would do就足以表示站在过去立场对过去将来的情况推测,而不是用would have done形式。只有虚拟语气才能解释would have done这个动词形式。
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