| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] to be [verb] | 147 |
|
| 2 | it [vb mod] to be [vb pp] | 140 |
|
| 3 | [pron] [vb mod] to be known | 24 |
|
| 4 | [pers pn] [vb mod] to be known | 7 |
|
| 5 | it [vb mod] to [be] known | 5 |
|
| 6 | it [vb mod] [prep] be known | 5 |
|
| 7 | it [vb mod] to [be] known | 5 |
|
| 8 | it [vb mod] to be known | 5 |
|
| 9 | it [vb mod] [prep] be known | 5 |
|
| 10 | it [vb mod] to be known | 5 |
|
| 11 | it [vb mod] to be know | 5 |
|
| 12 | it [vb mod] to be known | 5 |
|
| 13 | it [modal v] to be known | 5 |
|
