口语表达啊= =这两个都是英语表达啊,美语一般I gotta go.
好吧 I have got to go ,i gotta go,i have to go,都是一个意思
第一个i have got to go这里的got 是强调的,就好像我说i do answer your question,这个do就是强调我确实回答了
然后你说的"i got to go"为什么不用get,那是因为那句话是轻化了ve音的表达.原句写出来就是i've got to go,所以是一个东西,打了那么多好辛苦,不清楚可以问