| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] sure [that] | 255 |
|
| 2 | [not/n't] so sure | 193 |
|
| 3 | so sure [that] | 52 |
|
| 4 | [not/n't] so [that] | 11 |
|
