| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [adv] that | 92 |
|
| 2 | is [adv] [adv] established | 74 |
|
| 3 | is [adv] established that | 38 |
|
| 4 | [adv] [adv] established that | 17 |
|
