| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] recognised [prep] | 61 |
|
| 2 | has long [been] recognised | 35 |
|
| 3 | long [been] recognised [prep] | 13 |
|
| 4 | has long [been] [prep] | 10 |
|
