the game was played by 40 boys yesterday.改为一般疑问句

问题描述:

the game was played by 40 boys yesterday.改为一般疑问句

本句是一个被动句,想要变为一般疑问句,和含有be动词的句子变为一般疑问句的方法是一样的,把be动词提前即可.即为:Was the game played by 40 boys yesterday?