| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] which [vb past] [verb] | 51 |
|
| 2 | [num] [Wh det] [vb past] [vb pp] | 33 |
|
| 3 | [num] [Wh det] had [verb] | 31 |
|
| 4 | [num] [Wh det] [vb past] [to-vb] | 16 |
|
