| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [noun] [noun] | 31595 |
|
| 2 | [prep] [letter] [noun] | 4140 |
|
| 3 | [prep] [letter] [noun] | 4140 |
|
| 4 | at [letter] [noun] | 151 |
|
