| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [vb mod] [pron] | 5 |
|
| 2 | [adv] know [vb mod] [pron] | 5 |
|
| 3 | not know [vb mod] [pron] | 5 |
|
| 4 | know [pron] [vb mod] [pron] | 5 |
|
