| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adj] establish that | 10 |
|
| 2 | it is [adj] establish that | 10 |
|
| 3 | it is [adj] to establish that | 10 |
|
| 4 | it is [adj] establish that | 10 |
|
| 5 | it is important establish that | 5 |
|
| 6 | it is important establish that | 5 |
|
