| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] i [vb past] at [det] | 7 |
|
| 2 | [Wh det] i [vb past] at [det] | 7 |
|
| 3 | what i [vb past] at [det] | 6 |
|
