| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over [art] long period | 235 |
|
| 2 | [adv prt] [art] long period | 34 |
|
| 3 | [adv prt] over [art] period | 33 |
|
| 4 | [adv prt] over [art] long | 7 |
|
