| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [verb] i | 7544 |
|
| 2 | [not/n't] know [pron] | 7075 |
|
| 3 | [not/n't] [vb infin] i | 6866 |
|
| 4 | [adv] know i | 371 |
|
| 5 | [not/n't] know i | 357 |
|
