| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [been] [verb] | 7119 |
|
| 2 | [vb mod] have [been] [vb pp] | 5959 |
|
| 3 | [vb mod] have [been] recognise | 9 |
|
| 4 | [vb mod] [verb] [been] recognised | 9 |
|
| 5 | [modal v] have [been] recognised | 9 |
|
| 6 | [vb mod] have [be] recognised | 9 |
|
