非谓语动词包括：不定式、动名词、分词。
非谓语动词修饰名词就是：不定式、动名词、分词修饰名词。
动名词和分词(单独一个词)作定语，通常要放在被修饰词之前。不定式、不定式短语、现在分词短语、过去分词短语作定语，都要放在被修饰词之后，作后置定语。例句：
1、Mary has a composition to write.
不定式to write作后置定语修饰其前面的名词composition.
2、The swimming pool is very large.
动名词swimming修饰名词 pool.
3、The sleeping boy is Mary's brother.
现在分词sleeping修饰名词boy.
4、The man sitting on the chair is reading a newspaper.
现在分词短语sitting on the chair修饰名词man，作后置定语。
5、The road is covered with fallen leaves.
过去分词fallen 修饰名词leaves.
6、The girl called Lily is Lucy's sister.
过去分词短语called Lily修饰名词girl. 作后置定语.
