| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [not/n't] know [pron] | 4437 |
|
| 2 | [vb base] [not/n't] [verb] i | 3626 |
|
| 3 | [verb] [not/n't] know i | 334 |
|
| 4 | [vb base] [adv] know i | 233 |
|
