| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have long been [verb] [prep] | 233 |
|
| 2 | have long been [vb pp] [prep] | 224 |
|
| 3 | have [adv] been established [prep] | 41 |
|
| 4 | have [adv] been established [prep] | 33 |
|
| 5 | have long been established [prep] | 9 |
|
| 6 | have long been establish [prep] | 9 |
|
| 7 | have long [be] established [prep] | 9 |
|
| 8 | have long be established [prep] | 9 |
|
| 9 | have long been established [prep] | 9 |
|
| 10 | have long [been] established [prep] | 9 |
|
| 11 | [verb] long been established [prep] | 9 |
|
