| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] been [verb] | 1691 |
|
| 2 | it [verb] been know | 73 |
|
| 3 | [pron] [vb past] been know | 29 |
|
| 4 | [pers pn] [vb past] been know | 22 |
|
| 5 | it [vb past] be know | 9 |
|
| 6 | it [vb past] [been] know | 9 |
|
| 7 | it [vb past] been know | 9 |
|
| 8 | it [vb past] [be] know | 9 |
|
