| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at [art] [noun] | 6984 |
|
| 2 | [verb] at [art] time | 1750 |
|
| 3 | [vb past] [prep] [art] time | 602 |
|
| 4 | [vb past] at [art] time | 398 |
|
