| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pers pn] [verb] at [art] | 389 |
|
| 2 | and when [pers pn] [verb] [art] | 283 |
|
| 3 | and [pers pn] [verb] at [art] | 199 |
|
| 4 | and when [pers pn] [verb] at | 45 |
|
