got（英）与gotten（美）的区别：
got（英）的用法： 要表达拥有（possess）或一定（must）就用got I have got a new bike. We have got to throw rubbish into the rubbish bin. gotten（美）的用法： 要表达得到/收到（receive）、成为/变得（become）或进入/移动（enter/move）就用gotten They have gotten the support of the workers. Teddy has gotten a lot of more confident since his last presentation. They have gotten their children at a private school.
got（英）的用法： 要表达拥有（possess）或一定（must）就用got I have got a new bike. We have got to throw rubbish into the rubbish bin.
gotten（美）的用法： 要表达得到/收到（receive）、成为/变得（become）或进入/移动（enter/move）就用gotten
They have gotten the support of the workers.
Teddy has gotten a lot of more confident since his last presentation.
They have gotten their children at a private school.
资料来源：
YouTube-【GOT vs. GOTTEN - What's the difference? - English Grammar】
got 是 simple past tense
Example: I have got an apple.
gotten 是 past perfect tense
Example: I have gotten an apple.
