| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [pos pn] [noun] [noun] | 1275 |
|
| 2 | [prep] [pos pn] [noun] headquarters | 67 |
|
| 3 | [prep] [pos pn] [noun] headquarters | 67 |
|
| 4 | at [pos pn] [noun] [n mass] | 44 |
|
| 5 | at [pron] [noun] headquarters | 33 |
|
| 6 | at [pos pn] [noun] headquarters | 32 |
|
| 7 | at [pos pn] [noun] headquarters | 32 |
|
