| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pers pn] [prep] [det] | 3194 |
|
| 2 | at [pers pn] [prep] [adj] | 719 |
|
| 3 | at [pron] [prep] [det] | 332 |
|
| 4 | at [pers pn] [prep] [det] | 301 |
|
