| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] n't know | 3233 |
|
| 2 | [pron] [vb past] n't be | 928 |
|
| 3 | [vb past] n't know be | 29 |
|
| 4 | [pron] [vb past] know be | 11 |
|
