| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [num] at the time | 49 |
|
| 2 | only [num] at the time | 19 |
|
| 3 | about [num] at the time | 10 |
|
| 4 | over [num] at the time | 7 |
|
| 5 | just [num] at the time | 5 |
|
