| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at [adj] time | 198 |
|
| 2 | at [adj] time [subord] | 140 |
|
| 3 | [vb past] at [adj] [subord] | 27 |
|
| 4 | [vb past] [adj] time [subord] | 19 |
|
