| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [pers pn] [prep] [noun] [prep] | 73 |
|
| 2 | [prep] [pers pn] [prep] time [prep] | 48 |
|
| 3 | at [pron] [prep] time [prep] | 6 |
|
