| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] known | 415 |
|
| 2 | it is sometimes [verb] | 206 |
|
| 3 | it is sometimes [vb pp] | 205 |
|
| 4 | [pron] is sometimes known | 10 |
|
| 5 | it [be] sometimes known | 5 |
|
| 6 | it is sometimes know | 5 |
|
| 7 | it [is] sometimes known | 5 |
|
| 8 | it is sometimes known | 5 |
|
| 9 | [pers pn] is sometimes known | 5 |
|
| 10 | it be sometimes known | 5 |
|
