| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] at | 22238 |
|
| 2 | [pron] study [prep] | 156 |
|
| 3 | [pron] study [prep] | 156 |
|
| 4 | [pron] study at | 50 |
|
