| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb past] [prep] its [noun pl] | 14 |
|
| 2 | [Wh det] [vb past] [prep] its [noun pl] | 14 |
|
| 3 | which [vb past] [prep] its [noun pl] | 13 |
|
