No | Pattern | Freq | Relations |
---|---|---|---|
1 | over a [adv] [adj] period | 32 | |
2 | [prep] a [adv] long period | 24 | |
3 | [prep] a [adv] long period | 24 | |
4 | over a [adv] long period | 22 | |
5 | over a [adv] [adj] period | 19 | |
6 | over a [adv] long [noun sg] | 14 | |
7 | over a [adv] long [noun] | 14 | |
8 | over [art] [adv] long period | 10 | |
9 | over a [adv] long period | 10 | |
10 | over a [adv] long period | 10 |