1）前置定语
He is a promising young man.他是一个有前途的年轻人.
Make less noise.There’s a sleeping child.不要出太大声音,有个孩子在睡觉.
2）后置定语
The young man sitting between John and Mary is the editor of the campus newspaper.坐在约翰和玛丽之间的那个年轻小伙子是校园报的编辑.
The bridge built last month needs repairing.上个月建造的那座桥需要修理.
（1）表示时间
Don’t talk while having dinner.吃饭时不要说话.
When crossing the street,do be careful.过马路时要小心
（2）表示原因
表示原因的分词短语一般置于句首.
Having lived in London for years,I almost know every place quite well.在伦敦住过多年,我几乎对每个地方都很熟
伴随状况
The fire lasted nearly a month,leaving nothing valuable.大火持续了近一个月,几乎没剩下什么有用的东西.
Football is played in more than 80 countries,making it a popular sport.80多个国家都踢足球,因此足球成了一种很流行的运动.