| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't know [adv] | 3837 |
|
| 2 | n't [verb] now | 242 |
|
| 3 | [adv] know now | 30 |
|
| 4 | not know now | 10 |
|
| 5 | [not/n't] know now | 10 |
|
