| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] area at the time | 17 |
|
| 2 | [prep] [art] area at the time | 17 |
|
| 3 | in [art] area at the time | 17 |
|
| 4 | in [art] area at the time | 17 |
|
