| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't know [pers pn] at | 27 |
|
| 2 | know [pers pn] at the | 20 |
|
| 3 | n't [pers pn] at the | 20 |
|
| 4 | n't know at the | 18 |
|
