| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a long period | 29 |
|
| 2 | [adv] [prep] [art] long period | 29 |
|
| 3 | [adv] [prep] a long period | 29 |
|
| 4 | [adv] [prep] [art] long period | 21 |
|
| 5 | [adv] over [art] long period | 18 |
|
| 6 | [adv prt] [prep] [art] long period | 8 |
|
