| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [noun prp] [prep] | 7277 |
|
| 2 | [vb pp] at [noun prp] | 5572 |
|
| 3 | [vb pp] [noun prp] [prep] | 2004 |
|
| 4 | [vb pp] at [prep] | 742 |
|
