| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [art] time [Wh adv] [art] | 480 |
|
| 2 | [was/were] [art] time [Wh adv] [art] | 42 |
|
| 3 | [was/were] at [art] time [Wh adv] | 22 |
|
| 4 | [was/were] at [art] time [art] | 11 |
|
