| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | or [adv] a [noun] | 866 |
|
| 2 | at [adv] a [noun] | 751 |
|
| 3 | or at [adv] a | 99 |
|
| 4 | or at [adv] [noun] | 72 |
|
| 5 | or at a [noun] | 62 |
|
