| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [noun pl] [prep] [art] period | 23 |
|
| 2 | [prep] [noun sg] [noun pl] [prep] [art] period | 20 |
|
| 3 | [prep] [noun] [noun pl] [prep] the period | 17 |
|
| 4 | [prep] [noun] [noun pl] [prep] the period | 17 |
|
| 5 | [prep] [noun] [noun pl] over [art] period | 11 |
|
| 6 | of [noun] [noun pl] [prep] [art] period | 10 |
|
| 7 | [prep] [noun] [noun pl] [prep] a period | 6 |
|
| 8 | [prep] [noun] [noun pl] [prep] a period | 6 |
|
| 9 | in [noun] [noun pl] [prep] [art] period | 6 |
|
