| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] at the time | 173 |
|
| 2 | [prep] [pron] at the [adj] | 108 |
|
| 3 | [pron] at the [adj] time | 27 |
|
| 4 | [prep] [pron] the [adj] time | 16 |
|
