| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] n't [verb] [pron] | 1642 |
|
| 2 | [adv] [verb] n't [vb infin] [pron] | 1476 |
|
| 3 | [adv] [verb] [not/n't] know [pron] | 295 |
|
| 4 | [adv] [verb] not know [pron] | 295 |
|
| 5 | [adv] [verb] [adv] know [pron] | 295 |
|
| 6 | [adv] [verb] n't know [pron] | 257 |
|
