| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] that [art] | 283 |
|
| 2 | is [adv] established that | 38 |
|
| 3 | [adv] established that [art] | 32 |
|
| 4 | is established that [art] | 13 |
|
