| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] established that the | 13 |
|
| 2 | it be [adv] established that the | 13 |
|
| 3 | it [be] [adv] established that the | 13 |
|
| 4 | it [is] [adv] established that the | 8 |
|
| 5 | it is [adv] established that the | 8 |
|
| 6 | it [be] well established that the | 7 |
|
| 7 | it [be] well established that the | 7 |
|
