| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't know [pron] be | 812 |
|
| 2 | [adv] know [Wh pn] be | 91 |
|
| 3 | n't [verb] [Wh pn] be | 74 |
|
| 4 | not know [Wh pn] be | 67 |
|
| 5 | [not/n't] know [Wh pn] be | 67 |
|
| 6 | n't know [Wh pn] [be] | 51 |
|
