Selasa, 19 Agustus 2014
To ask certainty:
- Are you sure?
- Are you certain?
- I am quite sure
- Sure
- Of course
- Certainly
- Why not?
- No doubt
- It must be
- I am positive
- It is confirmed
- Yes, really
- I am not sure
- I am not quite sure
- I can't decide
- I couldn't say
- I am not positive
- I can't say for certain
- I am not certain
- I don't believe
- I doubt
- I hesitate
- It could not be
- It positive but not certain
