| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] at [adj] time | 607 |
|
| 2 | [conj] [vb past] at [adj] | 222 |
|
| 3 | [vb past] at [adj] time | 198 |
|
| 4 | [conj] [vb past] [adj] time | 60 |
|
