| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [noun prp] [prep] | 7281 |
|
| 2 | [noun prp] [prep] [noun pl] | 3697 |
|
| 3 | at [noun prp] [noun pl] | 1117 |
|
| 4 | at [prep] [noun pl] | 55 |
|
