| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] [prep] [be] | 316 |
|
| 2 | [be] [Wh det] [modal v] [be] | 69 |
|
| 3 | [be] [Wh det] [modal v] [prep] | 9 |
|
| 4 | [be] [modal v] [prep] [be] | 5 |
|
