| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [Wh det] [vb past] [vb pp] a | 6 |
|
| 2 | [verb] [Wh det] had [verb] a | 6 |
|
| 3 | [verb] which [vb past] [verb] a | 5 |
|
| 4 | [verb] what [vb past] [verb] a | 5 |
|
