| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [adv] long period | 47 |
|
| 2 | [prep] [art] [adv] long period | 47 |
|
| 3 | over [art] [adv] [adj] period | 34 |
|
| 4 | over [art] [adv] long [noun] | 30 |
|
| 5 | over [art] [adv] long period | 22 |
|
| 6 | over [art] [adv] long period | 22 |
|
| 7 | over [art] [adv] long period | 22 |
|
