No | Pattern | Freq | Relations |
---|---|---|---|
1 | [verb] [adv] over a long period | 11 | |
2 | [verb] [adv] over [art] long period | 11 | |
3 | [verb] [adv] over a long period | 11 | |
4 | [verb] [adv] over [art] long period | 11 | |
5 | [verb] [adv] over [art] long period | 9 | |
6 | [vb pp] [adv] over [art] long period | 7 | |
7 | [verb] [adv] over [art] long period | 7 |