| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [prep] periods | 19 |
|
| 2 | [adj] [prep] period | 17 |
|
| 3 | [adj] in period | 12 |
|
| 4 | [adj] for period | 7 |
|
| 5 | [adj] during period | 7 |
|
