| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have long been [verb] [prep] | 233 |
|
| 2 | have [adv] been establish [prep] | 41 |
|
| 3 | have [adv] been establish [prep] | 33 |
|
| 4 | have long been establish [prep] | 9 |
|
| 5 | [verb] long been establish [prep] | 9 |
|
| 6 | have long [been] establish [prep] | 9 |
|
| 7 | have long [be] establish [prep] | 9 |
|
| 8 | have long been establish [prep] | 9 |
|
| 9 | have long be establish [prep] | 9 |
|
