高 二 1个句型：Atlanta was becoming a successful city proud of its cultural diversity.
问题描述：
高 二 1个句型：Atlanta was becoming a successful city proud of its cultural diversity.
proud 是形容词,前面应该有BE 动词,而句子中的WAS 似乎是用来表示becoming--现在进行时态的,那这里的 was 同时起到了2个作用吗?
答
proud of its cultural diversity在这里做后置定语,修饰a successful city
was 只是助词,构成过去进行时的