V-ing做后置定语：
1.Do you know the boy singing in the classroom?
2.The girl cleaning the room is my sister.
3.I don't know the boy swimming in the river.
V-ed做后置定语：
1.Do you know the boy named Tom?
2.The bridge built last year is very beautiful.
3.Why not help the student laughed at by his classmates?
不定式作后置定语：
1.We don't have enough paper to write on.
2.He has a lot of homework to do today.
3.The poor man had a big family to support.
再问： 谢谢，翻译一下
再答： V-ing做后置定语： 1. Do you know the boy singing in the classroom? 你认识在教室里唱歌的那个男孩吗？ 2. The girl cleaning the room is my sister. 正在打扫房间的女孩是我的姐姐（或妹妹） 3. I don't know the boy swimming in the river. 我不认识正在河里游泳的那个男孩 V-ed做后置定语： 1. Do you know the boy named Tom? 你认识叫汤姆的那个男孩吗？ 2. The bridge built last year is very beautiful. 去年建的那座桥非常漂亮 3. Why not help the student laughed at by his classmates? 为什么不帮助被他的同学嘲笑的那个学生？ 不定式作后置定语： 1.We don't have enough paper to write on. 我们没有足够的纸用来写字 2.He has a lot of homework to do today. 他今天有很多作业要做 3.The poor man had a big family to support. 这个贫穷的男人有一个大家庭需要支撑
