3.略为名词词组

由名词词组作表语的非限制性定语从句略去作主语的关系代词和连系动词便成为名词词组作同位语。

The commander，who was Captain Madison，gathered his men and announced their task．

=The commander，Captain Madison，gathered hismen and announced their task．

指挥官麦迪逊上尉把战士们集合起来宣布他们的战斗任务。

You should have a talk with Mr．Worth，who is the adviser to students．

=You should have a talk with Mr．Worth，the adviser to students．

你应该和学生顾问沃斯先生谈一谈。

We finally reached NYC，which was the end of our journey．

=We finally reached NYC，the end of our journey．

我们最后抵达纽约——我们旅行的目的地。