| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adj] period [prep] | 2291 |
|
| 2 | [adj] period [prep] time | 709 |
|
| 3 | [art] period [prep] time | 331 |
|
| 4 | [art] [adj] [prep] time | 173 |
|
