| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [adv] sure that | 17 |
|
| 2 | to be [adv] sure [that] | 14 |
|
| 3 | [prep] be [adv] sure [that] | 14 |
|
| 4 | [prep] be absolutely sure [that] | 5 |
|
