How glad they were to see each other again in Shanghai!
问题描述:
How glad they were to see each other again in Shanghai!
为什么be动词后面可以加to
答
they were so glad to see each other again in shanghai.这句话改成陈述句就是这样的.
they 主语
were 谓语
so glad 表语
to 后面的是 补足语,以补充说明为什么事情而高兴.这可以是to be 结构也可以是 ing 动名词结构.