| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has [been] recognised [that] | 12 |
|
| 2 | [pers pn] has [been] recognised [that] | 12 |
|
| 3 | [pron] has [been] recognised that | 12 |
|
| 4 | [pron] has been recognised [that] | 12 |
|
| 5 | it has [been] recognised [that] | 12 |
|
