| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at [art] time | 443 |
|
| 2 | [was/were] [adv] at [art] | 398 |
|
| 3 | [was/were] at [art] time | 123 |
|
| 4 | [was/were] [adv] [art] time | 53 |
|
