| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | question may [be] [vb pp] as to | 5 |
|
| 2 | question may [be] [vb pp] as to | 5 |
|
| 3 | question may [be] [vb pp] as [prep] | 5 |
|
| 4 | question may [be] [vb pp] as [prep] | 5 |
|
