| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [prep] [art] [adj -er] period | 13 |
|
| 2 | [coord] [prep] [art] [adj -er] period | 10 |
|
| 3 | [conj] [prep] [art] earlier period | 7 |
|
| 4 | [conj] [prep] a [adj -er] period | 7 |
|
| 5 | [conj] for [art] [adj -er] period | 5 |
|
| 6 | and [prep] [art] [adj -er] period | 5 |
|
| 7 | [conj] [prep] [art] longer period | 5 |
|
| 8 | and [prep] [art] [adj -er] period | 5 |
|
| 9 | [conj] [prep] a [adj -er] period | 5 |
|
