| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [prep] [art] short period | 7 |
|
| 2 | [subord] [prep] [art] short period | 7 |
|
| 3 | [subord] for [art] short period | 5 |
|
| 4 | [subord] for [art] short period | 5 |
|
