| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] period for [art] | 20 |
|
| 2 | a [adj] period for [art] | 19 |
|
| 3 | a [adj] period for the | 13 |
|
| 4 | a [adj] period for the | 13 |
|
| 5 | a [adj] period for a | 7 |
|
| 6 | a [adj] period for a | 7 |
|
