| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't know [prep] | 792 |
|
| 2 | n't know [prep] | 792 |
|
| 3 | n't [verb] until | 123 |
|
| 4 | [adv] know until | 30 |
|
| 5 | not know until | 24 |
|
| 6 | [not/n't] know until | 24 |
|
| 7 | n't know until | 18 |
|
