| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] time | 9436 |
|
| 2 | [vb past] at [adj] | 3451 |
|
| 3 | [vb past] [adj] time | 1273 |
|
| 4 | [vb past] at time | 41 |
|
