| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] at the [adj] | 648 |
|
| 2 | [adv] at the [adj] time | 74 |
|
| 3 | [vb past] [adv] at the time | 46 |
|
| 4 | [vb past] at the [adj] time | 13 |
|
