| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] [not/n't] know | 4059 |
|
| 2 | [vb past] [not/n't] know [pron] | 2007 |
|
| 3 | [pron] [vb past] [not/n't] [pron] | 484 |
|
| 4 | [pron] [vb past] know [pron] | 37 |
|
| 5 | [pron] [not/n't] know [pron] | 12 |
|
