| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] did n't know [pron] | 68 |
|
| 2 | [adv] [vb past] n't know [pron] | 66 |
|
| 3 | [adv] [vb past] n't know [Wh det] | 49 |
|
| 4 | [adv] [vb past] n't know what | 46 |
|
| 5 | [adv] [vb past] n't know what | 46 |
|
| 6 | just [vb past] n't know [pron] | 25 |
|
| 7 | just [vb past] n't know [pron] | 25 |
|
| 8 | still [vb past] n't know [pron] | 13 |
|
| 9 | still [vb past] n't know [pron] | 13 |
|
| 10 | really [vb past] n't know [pron] | 11 |
|
| 11 | really [vb past] n't know [pron] | 11 |
|
| 12 | [adv] [vb past] n't know [pers pn] | 10 |
|
