| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pers pn] at the [noun] | 865 |
|
| 2 | [prep] [pers pn] [prep] the time | 194 |
|
| 3 | [prep] [pron] at the time | 173 |
|
| 4 | [prep] [pers pn] at [art] time | 165 |
|
