| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] well established that | 5 |
|
| 2 | it is [adv] well established that | 5 |
|
| 3 | it is well established that [art] | 9 |
|
| 4 | it is well established that [art] | 9 |
|
| 5 | it is well established that the | 5 |
|
| 6 | it is well established that the | 5 |
|
