| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] that [art] | 315 |
|
| 2 | it [be] [adv] established that | 44 |
|
| 3 | it [be] established that [art] | 20 |
|
| 4 | [be] [adv] established that [art] | 19 |
|
