| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [Wh det] [modal v] [verb] | 153 |
|
| 2 | [modal v] [be] [vb pp] [Wh det] [verb] | 83 |
|
| 3 | [modal v] [be] [vb pp] [Wh det] [modal v] | 82 |
|
| 4 | [modal v] [be] [vb pp] [modal v] [verb] | 29 |
|
