mention the expression of showing certainly and un certaily

Pasti (certainly) :
- i'm sure that she is the one who eat my lunch.
- he certainly gonna come to me for help
- these child definitely gonna be a good novelist.
- i'm pretty sure that the teacher is talking about you now.
tidak pasti (un certainly) :
- i'm not sure that nagisa is a bad boy.
- i'm not sure that karma is a psycopath