| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [adv] established that | 9 |
|
| 2 | is [adv] [adv] establish that | 9 |
|
| 3 | is now [adv] establish that | 8 |
|
| 4 | is [adv] well establish that | 5 |
|
