| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] a | 5419 |
|
| 2 | [Wh det] have been [verb] [prep] | 3113 |
|
| 3 | [Wh det] have [verb] [prep] a | 180 |
|
| 4 | [Wh det] have been [verb] a | 52 |
|
| 5 | [Wh det] have been [prep] a | 14 |
|
