| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | cent [prep] [art] period | 29 |
|
| 2 | cent [prep] the period | 28 |
|
| 3 | cent [prep] the period | 28 |
|
| 4 | cent over [art] period | 14 |
|
| 5 | cent during [art] period | 10 |
|
