| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this has [been] [verb] | 590 |
|
| 2 | this has [been] [vb pp] | 562 |
|
| 3 | [adj] has [been] recognised | 10 |
|
| 4 | [det] has [been] recognised | 7 |
|
| 5 | this [verb] [been] recognised | 6 |
|
| 6 | this has [been] recognised | 6 |
|
| 7 | this has [been] recognise | 6 |
|
| 8 | this have [been] recognised | 6 |
|
| 9 | this has [be] recognised | 6 |
|
| 10 | this [vb -s] [been] recognised | 6 |
|
