inwhichcasehewillhavetobeoperatedon.
He may have acute appendicitis,in which case he will have to be operated on. 这里 operate on是“对…动手术;对…起作用“的意思。那么这里是不是多了一个on?
He may have acute appendicitis, in which case he will have to be operated on. 他可能得了急性阑尾炎,如果是这样,他就得动手术。
“A operate on B"是A为B做手术之意;被动语态就是“B is operated on by A"。
此处就是被动语态,”he will have to be oeprated on":“他将需要被施以手术”。所以on不能省略。
如果要表示因为某个原因要做手术,句型为: 某人 be opeated on for...
He was operated on for lung cancer.他因肺癌动了手术。
The patient can be operated on for the tumor tomorrow. 这个病人明天能做肿瘤手术。
省略了宾语
on后面是指前面的急性阑尾炎
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