| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pers pn] [num ord] [verb] | 1377 |
|
| 2 | when [pers pn] begin [verb] | 164 |
|
| 3 | [pers pn] [num ord] begin [verb] | 26 |
|
| 4 | when [pers pn] [num ord] begin | 13 |
|
