| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [verb] it | 90 |
|
| 2 | at which [verb] [pron] | 68 |
|
| 3 | at [pron] [verb] it | 29 |
|
| 4 | at [Wh det] [verb] it | 10 |
|
| 5 | at which [verb] it | 10 |
|
