| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [not/n't] know the | 698 |
|
| 2 | [verb] [not/n't] know at | 51 |
|
| 3 | [verb] [not/n't] at the | 33 |
|
| 4 | [not/n't] know at the | 21 |
|
