| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] over [art] [adj] period of | 15 |
|
| 2 | [adv] over [art] [adj] period of | 14 |
|
| 3 | [adv] over a [adj] period of | 13 |
|
| 4 | [adv] over a [adj] period of | 12 |
|
| 5 | [adv] over [art] [adj] period of | 10 |
|
| 6 | [adv] over [art] long period of | 8 |
|
| 7 | [adv] over [art] long period of | 8 |
|
| 8 | [adv prt] over [art] [adj] period of | 5 |
|
