Question

There are many people swimming in the pool. look at the people swimming in the pool.

这两句话中的swimming in the pool 在句中各起什么作用，做什么成分？

Answer 1

1,swimming in the pool补充说明 人在干什么
2，swimming in the pool定语 修饰人 在游泳的人

Answer 2

there are many people 主语
swimming 谓语
in the pool 地点状语 起补充说明作用

Answer 3

前面的是动名词。就是正在游泳。
右面的是现在分词。就是游泳的人们相当于形容词