| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [verb] at | 961 |
|
| 2 | [pron] study at | 50 |
|
| 3 | [Wh pn] study [prep] | 22 |
|
| 4 | [Wh pn] study [prep] | 22 |
|
| 5 | [Wh pn] study at | 7 |
|
