People in the Middle Ages knew as much about the Solar System as people do today.
以下是我的分析,请老师指教
1 如果把knew看作及物动词,那much应该是代词做宾语,about the Solar System修饰代词much?
2 如果把knew看作不及物动词knew about the Solar System,那much应该是程度副词修饰knew?
3 但是有一个问题,as…as结构中,第一个as是副词,那是不是代表as…as结构中不能使用代词,因为副词不能修饰代词?