| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have [been] [verb] | 6114 |
|
| 2 | it have [been] [vb pp] | 5668 |
|
| 3 | [pron] have [been] recognised | 33 |
|
| 4 | it have [been] recognise | 22 |
|
| 5 | it [verb] [been] recognised | 22 |
|
| 6 | it have [be] recognised | 22 |
|
