| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at [art] time [prep] a | 18 |
|
| 2 | [verb] at the time [prep] a | 15 |
|
| 3 | [vb pp] at [art] time [prep] a | 13 |
|
| 4 | [verb] at [art] time as a | 6 |
|
| 5 | [verb] at [art] time of a | 5 |
|
