| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [verb] | 4623 |
|
| 2 | it is [adv] [vb pp] | 3866 |
|
| 3 | it is [adv] known | 415 |
|
| 4 | [pron] is [adv] known | 414 |
|
| 5 | it [be] [adv] known | 370 |
|
| 6 | it be [adv] known | 370 |
|
| 7 | [pers pn] is [adv] known | 308 |
|
| 8 | it [is] [adv] known | 285 |
|
| 9 | it is [adv] known | 264 |
|
| 10 | it is [adv] know | 264 |
|
