yesterday afternoon the children went out to saw the tower being erected in the park

分类: 作业答案 • 2021-12-28 10:52:57

问题描述：

yesterday afternoon the children went out to saw the tower being erected in the park
为什么不是erected?

答

可能这句话想表达的意思是：一直耸立在park的tower,being表示的是一个持续的状态,从过去持续到现在；而不加being,表达的侧重点是已经坐落在park的tower.