| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] [be] [prep] | 414 |
|
| 2 | [ex0] [modal v] [be] [prep] | 247 |
|
| 3 | [Wh det] [ex0] [modal v] [be] | 125 |
|
