| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have long [been] recognised [prep] | 12 |
|
| 2 | [verb] long been recognised [prep] | 12 |
|
| 3 | [verb] long [been] recognised [prep] | 12 |
|
| 4 | [vb -s] long [been] recognised [prep] | 11 |
|
| 5 | has long [been] recognised [prep] | 11 |
|
| 6 | [verb] long [been] recognised as | 7 |
|
