| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [not/n't] known [conj] | 100 |
|
| 2 | it be [not/n't] [verb] if | 31 |
|
| 3 | it be [not/n't] [vb pp] if | 30 |
|
| 4 | [pers pn] be [not/n't] known if | 27 |
|
| 5 | [pron] be [not/n't] known if | 27 |
|
| 6 | it be [not/n't] know if | 27 |
|
| 7 | it be [not/n't] known if | 27 |
|
| 8 | it [be] [not/n't] known if | 27 |
|
| 9 | it be [adv] known if | 27 |
|
