| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [vb pp] as | 1829 |
|
| 2 | have often [been] [vb pp] | 360 |
|
| 3 | often [been] [vb pp] as | 38 |
|
| 4 | have often [vb pp] as | 6 |
|
