| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been recognise for some time | 6 |
|
| 2 | have [been] recognised for some time | 6 |
|
| 3 | have [been] recognise for some time | 6 |
|
| 4 | has [been] recognise for some time | 5 |
|
