| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [verb] i [vb mod] | 821 |
|
| 2 | [not/n't] know [pron] [vb mod] | 179 |
|
| 3 | [adv] know i [vb mod] | 66 |
|
| 4 | [not/n't] know i [modal v] | 36 |
|
