| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] established that the | 8 |
|
| 2 | [pron] is [adv] established that the | 8 |
|
| 3 | it is [adv] established that the | 8 |
|
| 4 | [pers pn] is [adv] established that the | 8 |
|
| 5 | [pron] is well established that the | 5 |
|
