| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [conj] [pron] [vb mod] | 405 |
|
| 2 | [not/n't] [verb] [conj] i [vb mod] | 242 |
|
| 3 | [adv] know [conj] i [vb mod] | 137 |
|
| 4 | [not/n't] know [conj] i [modal v] | 117 |
|
