| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did not know [det] | 282 |
|
| 2 | [vb past] n't know [det] | 246 |
|
| 3 | [vb past] not know that | 139 |
|
| 4 | [vb past] not know any | 42 |
|
| 5 | [vb past] not know [det] | 36 |
|
| 6 | [vb past] not know this | 35 |
|
| 7 | [vb past] not know much | 27 |
|
| 8 | [vb past] not know each | 10 |
|
| 9 | [vb past] not know all | 10 |
|
| 10 | [vb past] not know enough | 5 |
|
| 11 | [vb past] not know many | 5 |
|
