| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [adv] at the [adj] | 173 |
|
| 2 | [adv] at the [adj] time | 74 |
|
| 3 | [vb pp] at the [adj] time | 59 |
|
| 4 | [vb pp] [adv] at the time | 46 |
|
