| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [prep] [det] | 2779 |
|
| 2 | it have been [vb pp] [prep] | 1838 |
|
| 3 | it have [vb pp] [prep] [det] | 167 |
|
| 4 | it have been [vb pp] [det] | 79 |
|
| 5 | it have been [prep] [det] | 46 |
|
