| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [verb] [verb] at the time | 7 |
|
| 2 | [noun pl] [verb] [vb pp] at [art] time | 6 |
|
| 3 | [noun pl] [vb past] [verb] at [art] time | 6 |
|
