| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in [art] [adj] period before | 7 |
|
| 2 | in [art] [adj] period before | 7 |
|
| 3 | in [art] [adj] period before | 6 |
|
| 4 | in the [adj] period before | 5 |
|
