| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at [art] time | 1750 |
|
| 2 | at [art] time [Wh adv] | 1619 |
|
| 3 | [verb] [art] time [Wh adv] | 196 |
|
| 4 | [verb] at time [Wh adv] | 16 |
|
