| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been established [prep] [adj] | 77 |
|
| 2 | have been established in [adj] | 30 |
|
| 3 | have been established in [adj] | 30 |
|
| 4 | had been established [prep] [adj] | 26 |
|
| 5 | have been established [prep] [num] | 26 |
|
| 6 | have been established [prep] [adj] | 25 |
|
| 7 | have been established [prep] [det] | 25 |
|
| 8 | has been established [prep] [adj] | 24 |
|
| 9 | have been established [prep] [adj] | 19 |
|
| 10 | have been established by [adj] | 13 |
|
| 11 | have been established for [adj] | 13 |
|
| 12 | have been established for [adj] | 13 |
|
| 13 | have been established by [adj] | 13 |
|
| 14 | have been established [prep] some | 7 |
|
| 15 | have been established [prep] some | 7 |
|
| 16 | having been established [prep] [adj] | 5 |
|
| 17 | have been established [prep] many | 5 |
|
| 18 | have been established [prep] many | 5 |
|
