| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't know [adv] [pron] [be] | 504 |
|
| 2 | n't [verb] [adv] [Wh det] [be] | 28 |
|
| 3 | [adv] know [adv] [Wh det] [be] | 21 |
|
| 4 | [not/n't] know [adv] [Wh det] [be] | 12 |
|
| 5 | not know [adv] [Wh det] [be] | 12 |
|
