| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [noun sg] [prep] [noun] | 10324 |
|
| 2 | the [noun sg] offices [prep] [noun] | 24 |
|
| 3 | at the offices [prep] [noun] | 14 |
|
| 4 | at the [noun sg] offices [prep] | 9 |
|
