(had she not come) to our help when we were in trouble,we couldn't have finished our task on time.

分类: 作业答案 • 2021-12-28 15:41:24

问题描述：

(had she not come) to our help when we were in trouble,we couldn't have finished our task on time.
括号里面是什么结构啊.if she didn'tcome怎么错了

答

虚拟语气,省略IF,had提前.if he had not comet o our help when we were in trouble,we couldn't have finished our task on time.
（与过去事实相反）