请教大家一个问题。这两句话. 同样都是动词不定式放在动词(want和went后)为什么第一句话的动词不定式短语(to understand the story)是作“宾语”而第二句话的动词不定式短语(to see his bank manager)是作目的“状语”呢?如何能分清动词后面不定式短语做什么成分呢?请大家指点说明。1. I want to understand the story. 2. I went to see his bank manager