the surgeon's advice was that the patient()at once( )中为什么选be operated on,而不选 was operated on?

分类: 作业答案 • 2021-12-19 16:25:24

问题描述：

the surgeon's advice was that the patient()at once
( )中为什么选be operated on,而不选 was operated on?

答

was表示已经做完手术
be表示医生说话的时候病人还没做手术

答

这里是虚拟语气表示规定,建议,动词用原型