| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know what [verb] | 914 |
|
| 2 | [not/n't] know [pron] come | 18 |
|
| 3 | [not/n't] [verb] what come | 17 |
|
| 4 | [adv] know what come | 14 |
|
