I've got to... 我必须得……
这个句型的含义相当于"I have to"，表示必须、一定、不得不，也可表示建议或推荐，多用肯定句。
1. I've got to let you know.
2. I've got to see you about something.
3. You've got to try this dish, it's tasty.
A: Have you seen the news that there is a serious flood in the South?
B: Yes. I've got to cancel my traveling plan.
A: What a pity! I know you've been longing for it these months.
B: The only thing I can do now is waiting for another chance.