| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] when [pers pn] [vb past] | 284 |
|
| 2 | when [pers pn] [vb past] to | 279 |
|
| 3 | [prep] [pers pn] [vb past] to | 275 |
|
