| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at the time | 1393 |
|
| 2 | at the time [adv] | 330 |
|
| 3 | [verb] at the [adv] | 211 |
|
| 4 | [verb] the time [adv] | 141 |
|
