| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [modal v] be use at [art] | 5 |
|
| 2 | [Wh det] [vb mod] be use at [art] | 5 |
|
| 3 | [Wh det] [modal v] be used at [art] | 5 |
|
