| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] short period | 198 |
|
| 2 | [prep] such [art] short | 80 |
|
| 3 | [prep] such [art] period | 18 |
|
| 4 | such [art] short period | 10 |
|
