Preferably, do not use "gotta" at all, because it is indicative of uneducated speech. If you need to use it to represent a person who would use such language, you can decide based on the fact that "gotta" is a contraction of "got to", which itself is a low colloquial expression for "must" (as a verb).
I got to know that you've passed the exam.
Please give two examples of application programs that use inter-process communication?
bamboo
Gatorade.
Give examples of how business process re-engineering frequently involves the strategic use of Internet technologies?
give the meaning of adverb and examples use in a sentence
Bullet casings is probably the #1 use.
i got to 24
They WERE going to the store. You WERE going to give me some cookies.
to think, to move, to breed
zoology
I'm sure you are able to figure it out for yourself.