1.seated不是谓语,这部分完整的谓语应是were seated.their parents seated together joking 这个独立主格结构做On Sundays there were a lot of children playing in the park,的伴随状语.
2.独立主格不是句子,这种结构中没有谓语.
1.seated不是谓语,这部分完整的谓语应是were seated.their parents seated together joking 这个独立主格结构做On Sundays there were a lot of children playing in the park,的伴随状语.
2.独立主格不是句子,这种结构中没有谓语.