| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a | 531227 |
|
| 2 | [vb pp] a | 62691 |
|
| 3 | establish a | 2484 |
|
| 4 | established [art] | 552 |
|
| 5 | established [art] | 552 |
|
| 6 | established a | 384 |
|
