| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [vb pp] [prep] | 1838 |
|
| 2 | have also been [vb pp] [prep] | 734 |
|
| 3 | it have also been [vb pp] | 182 |
|
| 4 | it have also [vb pp] [prep] | 34 |
|
