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