| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it is not know [Wh adv] | 5 |
|
| 2 | [coord] [pron] is not know how | 5 |
|
| 3 | [coord] [pers pn] is not know [Wh adv] | 5 |
|
| 4 | [coord] it is not know [Wh adv] | 5 |
|
| 5 | [coord] [pron] is not known [Wh adv] | 5 |
|
