| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] as a | 856 |
|
| 2 | [Wh det] have been [verb] as | 157 |
|
| 3 | [Wh det] have been [verb] a | 52 |
|
| 4 | [Wh det] have [verb] as a | 43 |
|
