定语：修饰名词或类似于名词的词。一般翻译为..的，表示事物性质或状态，分为前置或后置。在雅思写作中常做定语的有形容词、名词、V-ing 、To do、从句五种。
1形容词：Taking part-time jobs exerts profound impacts on ones future career development.
2名词： Generation gap is now a problem we have to face.
名词做定语（名词修饰名词重要原则：第一个名词一般用单数 以下为雅思写作常用名词修饰名词词组）
1 Information technology
2 Information center
3Credit card
4Generation gap
5Beauty contest
6Communication skills
7Information age
8Knowledge economy
9Peace talks
10Service industry
11Water scarcity
12Survival skills
13Press conference
14Safety standard
15Life insurance
16Weather forecast
17Reception desk
18Coffee break
19Body guard
20 Heart attack
21 Department store
22 Stock market
23 Office building
24 Science fiction
3 V-ing: Clearly, we are now living in an updating society and the world is now witnessing some breath-taking changes.
4To do: Studying abroad provides students with a good opportunity to experience a totally different culture.
5定语从句：That is a good book which is opened with expectation and closed with profit.