| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] over [art] [adj] period | 35 |
|
| 2 | [verb] [adv] [prep] [art] long period | 22 |
|
| 3 | [verb] [adv] over [art] long [noun sg] | 14 |
|
| 4 | [verb] [adv] over [art] long [noun] | 14 |
|
| 5 | [verb] [adv] over [art] long period | 11 |
|
