| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was [adv] [verb] that | 859 |
|
| 2 | it was [adv] [vb pp] that | 837 |
|
| 3 | it [be] [adv] established that | 44 |
|
| 4 | it be [adv] established that | 44 |
|
| 5 | it was [adv] established [conj] | 9 |
|
| 6 | it was [adv] established that | 7 |
|
| 7 | [pron] was [adv] established that | 7 |
|
| 8 | it [was/were] [adv] established that | 7 |
|
| 9 | it was [adv] established [that] | 7 |
|
| 10 | it was [adv] establish that | 7 |
|
| 11 | it was [adv] established that | 7 |
|
