| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over [art] [adj] period of | 160 |
|
| 2 | over [art] long period of | 85 |
|
| 3 | [prep] [art] longer period of | 12 |
|
| 4 | [prep] [art] longer period of | 12 |
|
| 5 | over [art] [adj -er] period of | 9 |
|
| 6 | over [art] longer period [prep] | 8 |
|
| 7 | over [art] longer period [prep] | 8 |
|
| 8 | over [art] longer [noun] of | 8 |
|
| 9 | over [art] longer [noun sg] of | 8 |
|
| 10 | over [art] longer period of | 7 |
|
| 11 | over [art] longer period of | 7 |
|
| 12 | over [art] longer period of | 7 |
|
