句子分析To make his dream come true,Tom becomes very interested

句子分析
To make his dream come true,Tom becomes very interested in business .
语法结构为,to make his dream come true这个动词不定式短语做目的状语 .
Tom becomes very intersted 主系表,in business 这个对介词短语做什么成分,如果是状语,像这类的介词短语是做目的状语吗还是其他状语?哪位有介词短语做状语的相关资料.
貌似Tom becomes very intersted in business,这句话中的intersted in是一个介词词组,
那么这句话就是intersted in business 这个介词短语做表语,very 做程度副词.
如果是这样的话,哪位有介词词组的资料,请share一下啊.