Lin Tao didn't pass the math exam last week.改为同义句Lin Tao failed in the math exam last week.为什么是failed in而不是did fail?拜托讲仔细,越具体越好,

分类: 作业答案 • 2021-12-19 16:16:36

问题描述：

Lin Tao didn't pass the math exam last week.改为同义句Lin Tao failed in the math exam last week.
为什么是failed in而不是did fail?拜托讲仔细,越具体越好,

答

fail 是及物动词，肯定句里面当然不加did 直接用过去式failed

答

fail 是及物动词,肯定句里面当然不加did 直接用过去式failed