| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as [subord] at [art] | 17 |
|
| 2 | [prep] if at [art] | 17 |
|
| 3 | [prep] [subord] at a | 12 |
|
| 4 | [prep] [subord] at the | 9 |
|
