BBC news 2010-12-18 加文本

1.Mr Obama is opposed to the extension along with many of his party, but he agreed to it in order to get approval for his own plans to extend unemployment benefits from his Republican opponents.

but表示转折。in order to表示目的。to extend unemployment benefits是动词不定式做后置定语，修饰plans。

2.If this hadn't passed, taxes would have gone up for all Americans in the New Year.

与过去事实相反的虚拟语气。

3.The High Court in London has ruled that a temporary limit on the number of skilled migrant workers entering Britain from non-European Union countries was introduced unlawfully.

这句话的主语和谓语是：The High Court in London has ruled，后面是that引导的宾语从句。宾语从句的主干是：limit was introduced unlawfully。on the number of...详细说明限制的对象。