| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has long [been] recognised that | 13 |
|
| 2 | [pron] has long [been] recognised that | 13 |
|
| 3 | [pers pn] has long [been] recognised that | 13 |
|
| 4 | it has long [been] recognised that | 13 |
|
| 5 | has long [been] recognised that [art] | 6 |
|
| 6 | has long [been] recognised that [art] | 6 |
|
| 7 | has long [been] recognised that the | 5 |
|
| 8 | has long [been] recognised that the | 5 |
|
