| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been [prep] [adj] | 453 |
|
| 2 | [noun] have been establish [prep] | 181 |
|
| 3 | have been establish [prep] [adj] | 77 |
|
| 4 | [noun] have been establish [adj] | 6 |
|
