Excited about the news,we went to have a party 完全可以写成 Being excited about the news, we went to have a party,但显得累赘。 但是,Being aware of the news, we felt happy 中的 being 就不能去掉。 其中的道理就是,在动词的过去分词引导的短语中(如例句 1 ),being 可有可无;而由形容词引导的短语(如例句 2 ),前面必须加上系动词的分词形式 being。