| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] at the [noun sg] office | 19 |
|
| 2 | [verb] [adv prt] at the [noun] office | 12 |
|
| 3 | [verb] [adv] at the [noun] office | 8 |
|
| 4 | [verb] [adv] at the box office | 5 |
|
| 5 | [verb] [adv] at the box office | 5 |
|
| 6 | [to-vb] [adv] at the [noun] office | 5 |
|
