| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [adj] time | 7867 |
|
| 2 | [vb past] at the [adj] | 1659 |
|
| 3 | [vb past] at the time | 332 |
|
| 4 | [vb past] at [adj] time | 221 |
|
| 5 | [vb past] the [adj] time | 153 |
|
