| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] for a | 154 |
|
| 2 | at [prep] a | 145 |
|
| 3 | at [prep] a | 145 |
|
| 4 | at for [art] | 22 |
|
| 5 | at for a | 10 |
|
