| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is not [adv] [verb] | 342 |
|
| 2 | it is not [adv] [vb pp] | 192 |
|
| 3 | it is [adv] [adv] known | 70 |
|
| 4 | it be not [adv] known | 53 |
|
| 5 | it [be] not [adv] known | 53 |
|
| 6 | it [is] not [adv] known | 49 |
|
| 7 | [pron] is not [adv] known | 45 |
|
| 8 | it is not [adv] known | 40 |
|
| 9 | it is [not/n't] [adv] known | 40 |
|
| 10 | it is not [adv] know | 38 |
|
| 11 | [pers pn] is not [adv] known | 38 |
|
| 12 | it is not [adv] known | 37 |
|
| 13 | it is not [adv] known | 37 |
|
