| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [Wh det] [modal v] be use at | 6 |
|
| 2 | [Wh det] [modal v] be use at [art] | 5 |
|
| 3 | [Wh det] [modal v] be use at [art] | 5 |
|
