| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] [verb] [that] a | 70 |
|
| 2 | it [is] [adv] [vb pp] [that] a | 69 |
|
| 3 | it [is] [adv] established [that] [art] | 13 |
|
| 4 | it [is] [adv] established [conj] a | 5 |
|
| 5 | it [is] [adv] establish [that] a | 5 |
|
| 6 | it [is] [adv] established [that] a | 5 |
|
| 7 | [pron] [is] [adv] established [that] a | 5 |
|
| 8 | it [be] [adv] established [that] a | 5 |
|
