| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i did not know [pos pn] | 16 |
|
| 2 | i [vb past] not know [pos pn] | 16 |
|
| 3 | i [vb past] n't know [pos pn] | 15 |
|
| 4 | i [vb past] not know your | 5 |
|
