| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] know [pron] at | 15 |
|
| 2 | [vb base] n't know [pron] at | 14 |
|
| 3 | [vb base] [not/n't] know [pers pn] at | 12 |
|
| 4 | [vb base] [not/n't] know i at | 6 |
|
| 5 | [vb base] [not/n't] know me at | 6 |
|
