| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [vb past] at [adj] | 406 |
|
| 2 | [noun prp] at [adj] time | 287 |
|
| 3 | [vb past] at [adj] time | 198 |
|
| 4 | [noun prp] [vb past] [adj] time | 77 |
|
