| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] when [pron] [vb past] [prep] | 246 |
|
| 2 | [pers pn] when [pron] [vb past] [prep] | 225 |
|
| 3 | it [conj] [pron] [vb past] [prep] | 213 |
|
| 4 | it when [pron] [verb] [prep] | 91 |
|
| 5 | it when [pron] [vb past] [prep] | 51 |
|
