| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] period [prep] | 4704 |
|
| 2 | [art] [adj -er] [prep] | 1111 |
|
| 3 | [art] [adj -er] period | 301 |
|
| 4 | [adj -er] period [prep] | 107 |
|
