| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [pron] [noun] [prep] | 2403 |
|
| 2 | [pron] [noun] or [prep] | 374 |
|
| 3 | at [noun] or [prep] | 219 |
|
| 4 | at [pron] [noun] or | 59 |
|
