| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [noun prp] [adv] [verb] | 168 |
|
| 2 | [noun prp] which [adv] [verb] | 142 |
|
| 3 | at [noun prp] which [verb] | 54 |
|
| 4 | at [noun prp] which [adv] | 10 |
|
| 5 | at which [adv] [verb] | 5 |
|
