| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] known [conj] | 245 |
|
| 2 | it [is] not [verb] [conj] | 232 |
|
| 3 | it [is] not [vb pp] [conj] | 193 |
|
| 4 | it [be] not known [conj] | 98 |
|
| 5 | it [is] [not/n't] known [conj] | 86 |
|
| 6 | it [is] not known [conj] | 86 |
|
| 7 | it [is] not know [conj] | 86 |
|
| 8 | [pron] [is] not known [conj] | 85 |
|
