| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb past] when [pron] [vb past] [prep] | 9 |
|
| 2 | [Wh det] [vb past] when [pers pn] [verb] [prep] | 9 |
|
| 3 | [Wh det] [vb past] when [pron] [verb] [prep] | 9 |
|
| 4 | [Wh det] [vb past] when [pron] [verb] [prep] | 9 |
|
| 5 | what [vb past] when [pron] [verb] [prep] | 7 |
|
| 6 | [Wh det] happened when [pron] [verb] [prep] | 7 |
|
| 7 | [Wh det] [vb past] when [pron] [verb] to | 6 |
|
| 8 | [Wh det] [vb past] when [pron] [verb] to | 6 |
|
