| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] long period | 317 |
|
| 2 | [prep] [det] [art] long | 121 |
|
| 3 | [prep] [det] [art] period | 22 |
|
| 4 | [det] [art] long period | 13 |
|
| 5 | [prep] [det] long period | 5 |
|
