| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] before or at [art] | 7 |
|
| 2 | [adv] before or at [art] | 7 |
|
| 3 | before or at [art] [noun] | 10 |
|
| 4 | before or at [art] [noun sg] | 10 |
|
| 5 | before or at [art] time | 9 |
|
| 6 | before or at [art] time | 9 |
|
