No | Pattern | Freq | Relations |
---|---|---|---|
1 | [adv] over a [adj] period [prep] | 18 | |
2 | [adv] [prep] a long period [prep] | 16 | |
3 | [adv] over [art] long period [prep] | 9 | |
4 | [adv] over a long [noun] [prep] | 9 | |
5 | [adv] over a long [noun sg] [prep] | 9 | |
6 | [adv] over a long period [prep] | 9 | |
7 | [adv] over [art] long period [prep] | 9 | |
8 | [adv] over a long period [prep] | 9 |