Now Helen's family __(be) at home and __(watch) TV.

问题描述:

Now Helen's family __(be) at home and __(watch) TV.
为什么用watching?

arewatching能分析句子的结构吗?Now 做时间状语 Helen's family主语,and连接两个短语, at home和 watching TV后面省略了 are ,为了避免重复