| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at [adj] time | 198 |
|
| 2 | [Wh pn] [vb past] at [adj] | 72 |
|
| 3 | [Wh pn] at [adj] time | 52 |
|
| 4 | [Wh pn] [vb past] [adj] time | 22 |
|
