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