| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [Wh det] [modal v] [be] [verb] at | 9 |
|
| 2 | of [Wh det] [modal v] be [verb] at | 9 |
|
| 3 | of [Wh det] [modal v] [be] [verb] at | 9 |
|
| 4 | of [Wh det] [modal v] be [verb] at | 9 |
|
