| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [verb] [pers pn] at | 577 |
|
| 2 | [not/n't] know [pers pn] [prep] | 61 |
|
| 3 | [not/n't] know [pers pn] [prep] | 61 |
|
| 4 | [adv] know [pers pn] at | 40 |
|
| 5 | [not/n't] know [pron] at | 39 |
|
| 6 | [not/n't] know [pers pn] at | 36 |
|
