| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [verb] when [pron] [verb] [prep] | 26 |
|
| 2 | [Wh det] [to-vb] [conj] [pron] [verb] [prep] | 12 |
|
| 3 | [pron] [to-vb] when [pron] [verb] [prep] | 7 |
|
