| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] as [adv] have [been] [prep] | 5 |
|
| 2 | [modal v] as [adv] have [been] [prep] | 5 |
|
| 3 | as [adv] have [been] [verb] [prep] | 8 |
|
| 4 | as [adv] have [been] [vb pp] [prep] | 7 |
|
