定语是用来修饰名词或代词的,说明所修饰词的性质、特征及所属,限定或修饰名词（或代词）的句子成分.英语中常见作定语的有：名词、形容词、分词、动名词、动词不定式、数词、代词、副词、介词短语和从句等.现将其表示法归纳如下：
介词短语作后置定语
介词短语修饰名词或代词只能作后置定语.
例 The girl in a red coat is my sister.
One of the most important temples in danger was the one at Abu Symbol.
Nowhere else in the world can there be such a quiet, beautiful place.