be动词后是表语
动词后是宾语
定语是修饰名词的可以回答一下我提出的具体问题吗？？谢谢！1Why is（he worried about Jim)

2Soon they all became( interested in the subject.)

3She was( the first to learn about it.)
4I am waiting for the sound( of the other shoe!)
括号中是相应的表语，定语