| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adj] period [prep] | 2199 |
|
| 2 | been [art] [adj] [prep] | 133 |
|
| 3 | been [art] period [prep] | 15 |
|
| 4 | been [art] [adj] period | 14 |
|
