| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [adv] [verb] that | 185 |
|
| 2 | it is [adv] [adv] establish [conj] | 11 |
|
| 3 | it [be] [adv] [adv] establish that | 11 |
|
| 4 | it be [adv] [adv] establish that | 11 |
|
| 5 | it is [adv] [adv] establish [that] | 10 |
|
| 6 | it is [adv] [adv] establish that | 10 |
|
| 7 | it is [adv] [adv] establish that | 10 |
|
| 8 | it [is] [adv] [adv] establish that | 10 |
|
| 9 | [pron] is [adv] [adv] establish that | 10 |
|
