问题描述:
you haven't changed much
haven't changed是时态?
you haven't change的话have是不是就不是助动词,而是“有”的意思了?
haven't changed是时态?
you haven't change的话have是不是就不是助动词,而是“有”的意思了?
问题解答:
我来补答展开全文阅读