| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] at [adj] time | 2290 |
|
| 2 | [noun] [vb past] at [adj] | 1108 |
|
| 3 | [noun] [vb past] [adj] time | 218 |
|
| 4 | [vb past] at [adj] time | 198 |
|
