| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [be] recognised that | 53 |
|
| 2 | it [vb mod] be recognised that | 53 |
|
| 3 | it should [be] recognised that | 27 |
|
| 4 | it must [be] recognised that | 24 |
|
