| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] know for sure | 11 |
|
| 2 | [adv] know for sure | 11 |
|
| 3 | [adv] know [prep] sure | 11 |
|
| 4 | [adv] know [prep] sure | 6 |
|
