| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at [art] time [prep] | 112 |
|
| 2 | [vb past] at [art] time [prep] | 74 |
|
| 3 | [adv] [vb past] at [art] time | 16 |
|
| 4 | [adv] [vb past] [art] time [prep] | 9 |
|
