WeheardTomsinganEnglishsongjustnow.改为被动
2021-07-24 61次 反馈错误 加入收藏 正确率 : 100%
题目内容:
We heard Tom sing an English song just now.改为被动
优质解答
Tom was heard singing an English song just now (by us) - 追问:
- 为什么sing要加ing?
- 追答:
- 因为变成被动语态后有be动词, 动词就要改为现在分词 (be doing)
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