Whoever wants to go to the library must sign his or her name here
问题描述：
Whoever wants to go to the library must sign his or her name here
这句中是不是两个谓语吧?
一个是wants,一个是sign
如果是两个谓语一个有从句,那个这里的从句部是是什么?做什么成分,是什么从句啊?
答
Whoever wants to go to the library (主语从句）must sign（谓语） his or her name （宾语）here （地点状语）
主语从句分析：
Whoever（主语） wants（谓语） to go to the library （不定式短语作宾语）
Whoever= Anyone who