| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to a [adj] period | 30 |
|
| 2 | to a [adj] period | 27 |
|
| 3 | to an [adj] period | 12 |
|
| 4 | to a [adj -er] period | 9 |
|
| 5 | to a early period | 7 |
|
| 6 | to a earlier period | 6 |
|
| 7 | to a long period | 5 |
|
| 8 | to a long period | 5 |
|
