have got to与got to有什么区别?

问题描述:

have got to与got to有什么区别?
Gump Forrest有一段Kennedy接见Forrest时问他加入橄榄球全明星队有什么感受时,Forrest因为汽水喝多了说:“I got to pee.”他为什么不说I have got to pee?

I got to do something=I've got to do something=I have to do something前者在口语中更地道,更口语化.I got to跟I've got to在口语中非常普遍,但have got something的意思是have“有”.