| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [adj] time | 866 |
|
| 2 | [vb base] at the [adj] | 546 |
|
| 3 | [vb base] at the time | 56 |
|
| 4 | [vb base] the [adj] time | 38 |
|
