| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [vb pp] when [pron] [verb] | 163 |
|
| 2 | [vb past] [vb pp] [conj] it [verb] | 62 |
|
| 3 | [verb] [vb pp] when it [verb] | 12 |
|
| 4 | [vb past] [verb] when it [verb] | 7 |
|
