| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [art] period [prep] | 526 |
|
| 2 | [art] long period [prep] | 288 |
|
| 3 | [verb] [art] long period | 40 |
|
| 4 | [verb] [art] long [prep] | 5 |
|
