| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at [adv] [adj] | 490 |
|
| 2 | [vb past] at [adj] time | 221 |
|
| 3 | at [adv] [adj] time | 205 |
|
| 4 | [vb past] [adv] [adj] time | 172 |
|
