| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what has been [vb pp] as | 14 |
|
| 2 | [prep] what has been [vb pp] as | 14 |
|
| 3 | [prep] [Wh det] has been [vb pp] as | 14 |
|
| 4 | [prep] [pron] has been described as | 12 |
|
