| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to establish a | 916 |
|
| 2 | establishing a | 524 |
|
| 3 | established a | 356 |
|
| 4 | established a | 326 |
|
| 5 | establish a | 177 |
|
| 6 | establish a | 117 |
|
| 7 | establishes a | 68 |
|
