来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/07 18:22:12
状语从句中出现现在分词.
it is evident when comparing these graphs that significant increases have indeed occurred.
怎么解释comparing这个语法现象是从句省略主语吗?还是和现在分词作状语一样?
we are comparing?为什么是进行时?
省略主语we are
when we are comparing...当我们正在比较图表时
when we compare,则we不能省略