jasper has put up "no parking"signs outside.jasper第三人称 为什么 put不加S?
问题描述:
jasper has put up "no parking"signs outside.jasper第三人称 为什么 put不加S?
答
因为have已经用了has,put其实是put的过去分词
jasper has put up "no parking"signs outside.jasper第三人称 为什么 put不加S?
因为have已经用了has,put其实是put的过去分词