非谓语(分词）难题

题目

非谓语(分词）难题
Being interested in the relationship of language and thought,whorf developed the idea that the structure of language determines the structure of habitual thought in a society
与
Interested in the relationship of language and thought,whorf developed the idea that the structure of language determines the structure of habitual thought in a society
有什么区别,为什么要加being

答案

考点1、现在分词作主语
考点2、be interested in sth(对.感兴趣）