The teacher was swimming across the river .句子成分分析.谓语是was swimming 还是 was 还是 was swimming across .across the river 是状语么she was swimming 可否理解为was 为系动词。swimming 为 表语。为什么?
问题描述：
The teacher was swimming across the river .句子成分分析.
谓语是was swimming 还是 was 还是 was swimming across .across the river 是状语么
she was swimming 可否理解为was 为系动词。swimming 为 表语。为什么?
答
was swimming 是谓语，是状语(地点状语)！句子一般是主谓宾，然后定状补插在其中！
答
谓语是was swimming .
across the river 是状语.