| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of a [adj] period | 65 |
|
| 2 | of a [adj] period | 59 |
|
| 3 | of a long period | 12 |
|
| 4 | of a long period | 10 |
|
| 5 | of a [adj -er] period | 5 |
|
