| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] [vb mod] have been | 215 |
|
| 2 | [det] [prep] [Wh det] [vb mod] have | 41 |
|
| 3 | [det] [Wh det] [vb mod] have been | 12 |
|
