| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [pron] [vb past] | 495 |
|
| 2 | know [pron] [vb past] to | 145 |
|
| 3 | [not/n't] [pron] [vb past] to | 28 |
|
| 4 | [not/n't] know [pron] to | 8 |
|
