| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh adv] we [verb] | 406 |
|
| 2 | [prep] we [verb] at | 43 |
|
| 3 | [Wh adv] we [verb] at | 31 |
|
| 4 | [prep] [Wh adv] [verb] at | 5 |
|
