| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [pers pn] | 1777 |
|
| 2 | [not/n't] [pers pn] at | 81 |
|
| 3 | [not/n't] know at | 80 |
|
| 4 | know [pers pn] at | 75 |
|
