| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] have been [vb pp] as a | 65 |
|
| 2 | which have been [verb] as a | 50 |
|
| 3 | [Wh det] has been [verb] as a | 38 |
|
| 4 | [Wh det] had been [verb] as a | 20 |
|
| 5 | what have been [verb] as a | 17 |
|
| 6 | [Wh det] have been described as a | 12 |
|
| 7 | [Wh det] have been describe as a | 12 |
|
| 8 | [Wh det] have been [verb] as a | 9 |
|
