| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [is] not [adv] known that | 7 |
|
| 2 | [pron] be not [adv] known that | 7 |
|
| 3 | [pron] is not [adv] known that | 7 |
|
| 4 | [pers pn] [be] not [adv] known that | 7 |
|
| 5 | it [be] not [adv] known that | 7 |
|
| 6 | it [be] not [adv] known that | 7 |
|
