| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] [adv] established that | 10 |
|
| 2 | [pers pn] [be] [adv] [adv] established that | 10 |
|
| 3 | it [be] [adv] [adv] established that | 10 |
|
| 4 | [pron] be [adv] [adv] established that | 10 |
|
| 5 | [pron] is [adv] [adv] established that | 9 |
|
| 6 | [pron] [is] [adv] [adv] established that | 9 |
|
| 7 | [pron] [be] now [adv] established that | 8 |
|
| 8 | [pron] [be] [adv] well established that | 6 |
|
