| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] before or at [art] time | 7 |
|
| 2 | [adv] before or at [art] time | 7 |
|
| 3 | [adv] before [conj] at [art] time | 7 |
|
| 4 | [adv] before [coord] at [art] time | 7 |
|
| 5 | [adv] before [conj] at [art] time | 7 |
|
| 6 | [adv] before [conj] at the time | 7 |
|
