| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [adj -er] period | 239 |
|
| 2 | [prep] a [adj -er] period | 146 |
|
| 3 | [prep] [art] longer period | 90 |
|
| 4 | for [art] [adj -er] period | 76 |
|
| 5 | [prep] [art] earlier period | 72 |
|
| 6 | [prep] the [adj -er] period | 66 |
|
| 7 | over [art] [adj -er] period | 57 |
|
| 8 | in [art] [adj -er] period | 32 |
|
| 9 | of [art] [adj -er] period | 32 |
|
| 10 | [prep] an [adj -er] period | 31 |
|
| 11 | [prep] [art] later period | 31 |
|
| 12 | [prep] [art] shorter period | 25 |
|
| 13 | [prep] [art] further period | 20 |
|
| 14 | from [art] [adj -er] period | 12 |
|
| 15 | to [art] [adj -er] period | 10 |
|
| 16 | at [art] [adj -er] period | 8 |
|
| 17 | [prep] [art] [adj -er] periods | 6 |
|
| 18 | after [art] [adj -er] period | 6 |
|
