| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it be well established | 14 |
|
| 2 | [conj] it [is] well established | 10 |
|
| 3 | [conj] it is well established | 9 |
|
| 4 | [subord] it [be] well established | 7 |
|
| 5 | [coord] it [be] well established | 5 |
|
