getting up early is a very good habit.get up 是起床的意思,为什么这就话就变成getting up?

分类: 作业答案 • 2022-02-17 20:02:21

问题描述：

getting up early is a very good habit.
get up 是起床的意思,为什么这就话就变成getting up?

答

get up是动词,不能作主语；getting up是名词,可以作主语.
动词要名词化之后才能作主语.