| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] time [prep] | 1422 |
|
| 2 | [vb past] [adj] time [prep] | 284 |
|
| 3 | [vb past] at [adj] [prep] | 258 |
|
| 4 | [vb past] at [adj] time | 198 |
|
