| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [adv] [vb past] [prep] a [adj] | 28 |
|
| 2 | [Wh det] [adv] [vb past] [prep] a [adj] | 28 |
|
| 3 | [Wh det] [adv] [vb past] to a [adj] | 7 |
|
