| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] period [prep] | 3127 |
|
| 2 | [prep] [art] early period | 108 |
|
| 3 | [prep] [art] early [prep] | 49 |
|
| 4 | [art] early period [prep] | 41 |
|
