| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] at [art] [adj] [noun sg] | 17 |
|
| 2 | [Wh det] [vb past] at a [adj] [noun sg] | 8 |
|
| 3 | [Wh det] [vb past] at the [adj] [noun sg] | 7 |
|
| 4 | [Wh det] [vb past] at an [adj] [noun sg] | 6 |
|
