| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun sg] [noun] | 278249 |
|
| 2 | [prep] [noun sg] [noun] | 278226 |
|
| 3 | at [noun] [noun] | 31595 |
|
| 4 | at [noun sg] [noun] | 7741 |
|
