| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adv] [prep] [adj] | 56 |
|
| 2 | at [art] [adv] [prep] [adj] | 12 |
|
| 3 | at [art] [adv] [prep] [adj] | 12 |
|
| 4 | at a [adv] [prep] [adj] | 10 |
|
