| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [adv] that | 152 |
|
| 2 | it is [adv] establish that | 36 |
|
| 3 | it is [adv] establish that | 36 |
|
| 4 | it is [adv] [adv] establish | 16 |
|
| 5 | is [adv] [adv] establish that | 10 |
|
