The pupils （playing on the playground ）are my classmates.
At the meeting （held last week）,many problems came up.
The explanation （given us ）is not satisfactory.
括号内是定语.
I found my hometown （changed a lot）.
I noticed the children （playing hide-and-seek.）
括号内是宾语补足语.
she couldn’t help smiling ,（thinking of the joke.）
（Being ill,）he didn’t go to see the film.
括号内是状语.
以上题目是有关分词的,不是独立主格的题目啊.