| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has long [be] recognised [prep] | 11 |
|
| 2 | has long [been] recognised [prep] | 11 |
|
| 3 | has long be recognised [prep] | 11 |
|
| 4 | has long been recognised [prep] | 11 |
|
| 5 | has long [be] recognised as | 7 |
|
