| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] [pers pn] | 6995 |
|
| 2 | at which [pers pn] | 693 |
|
| 3 | at which [verb] | 243 |
|
| 4 | at [verb] [pers pn] | 215 |
|
