| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adj] period during | 33 |
|
| 2 | [art] [adj] period during | 33 |
|
| 3 | [art] [adj] period during | 28 |
|
| 4 | a [adj] period during | 25 |
|
| 5 | a [adj] period during | 24 |
|
| 6 | [art] long period during | 9 |
|
| 7 | [art] brief period during | 7 |
|
| 8 | [art] brief period during | 7 |
|
| 9 | the [adj] period during | 7 |
|
| 10 | the [adj] period during | 7 |
|
| 11 | [art] long period during | 6 |
|
