No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] [art] [adv] long period [prep] | 13 | |
2 | over [art] [adv] [adj] period [prep] | 10 | |
3 | over [art] [adv] long [noun] [prep] | 5 | |
4 | over [art] [adv] long period [prep] | 5 | |
5 | over [art] [adv] long [noun sg] [prep] | 5 | |
6 | over [art] [adv] long period [prep] | 5 |