| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] have been [vb pp] | 5078 |
|
| 2 | have been [vb pp] [det] | 668 |
|
| 3 | [Wh det] have [vb pp] [det] | 388 |
|
| 4 | [Wh det] have been [det] | 20 |
|
