I am sure
| Ways to say, “I’m sure.” | |
| I’ll bet | Unless I’m very much mistaken |
| I’m certain | I’m hundred percent certain |
| I’m positive | I’m hundred percent sure |
| I’m very sure | I’ll bet my bottom dollar |
| I’m satisfied | I know for a fact that |
| I’ll be bound | I will put money on it |
| I’m clear about | I have no doubt at all |
| I have no doubt | I’m totally convinced |
| I’m pretty sure | I’d stake my life on |
| There is no doubt | I’m quite confident |
| I know for certain | I’m absolutely sure |
It very useful to me