| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [adv] as [to-vb] | 19 |
|
| 2 | have been [vb pp] so as [verb] | 19 |
|
| 3 | has been [vb pp] [adv] as [verb] | 11 |
|
| 4 | have been [vb pp] [adv] as [verb] | 5 |
|
