| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | only [prep] [art] [adj] period | 33 |
|
| 2 | only [prep] a [adj] period | 26 |
|
| 3 | only for [art] [adj] period | 17 |
|
| 4 | only [prep] [art] short period | 9 |
|
| 5 | only [prep] [art] short period | 9 |
|
| 6 | only after [art] [adj] period | 6 |
|
| 7 | only [prep] [art] limited period | 5 |
|
| 8 | only [prep] the [adj] period | 5 |
|
| 9 | only in [art] [adj] period | 5 |
|
| 10 | only [prep] [art] limited period | 5 |
|
