| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] [adj] [subord] | 940 |
|
| 2 | it [is] [adv] [adj] to establish | 30 |
|
| 3 | [is] [adv] [adj] to establish [subord] | 6 |
|
| 4 | it [is] [adj] to establish [subord] | 6 |
|
