| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] n't know [art] [adj] | 29 |
|
| 2 | did n't know [art] [adj] | 29 |
|
| 3 | [vb past] n't know the [adj] | 25 |
|
| 4 | [vb past] n't know [art] [adj] | 20 |
|
| 5 | [vb past] n't know [art] [num ord] | 8 |
|
| 6 | [vb past] n't know [art] first | 7 |
|
| 7 | [vb past] n't know [art] first | 7 |
|
