If it hadn't been for the fear of ridicule from my fellow student,I would have given up for wure.这是一个固定句型吗

问题描述:

If it hadn't been for the fear of ridicule from my fellow student,I would have given up for wure.
这是一个固定句型吗

这是一个句子,但里面是与过去事实相反的虚拟语气语法,其结构是:if +主语+have+done ,主语+
would/should/might have done !