| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [prep] [det] [noun] [pers pn] | 9 |
|
| 2 | when [prep] [det] [noun sg] [pers pn] | 6 |
|
| 3 | when [prep] [det] [pers pn] [verb] | 5 |
|
