| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] who [vb past] [adv] know [pron] | 6 |
|
| 2 | [pron] who [vb past] not know [pron] | 5 |
|
| 3 | [pron] who [vb past] n't know [pron] | 5 |
|
| 4 | [pron] who [vb past] [not/n't] know [pron] | 5 |
|
