问题描述: 我在某个网站上看到 3.作表语.例如:His wish is to become a doctor.这里be to do是谓语还是表语啊 1个回答 分类:英语 2014-11-30 问题解答: 我来补答 his wish是主语be to become是谓语a doctor是表语 展开全文阅读